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When you cross multiply two equal ratios the what are equal?

The products.


How do you know if ratios are equivalent?

Cross-multiply them. Given A/B and C/D, if AD = BC then the two ratios are equal.


When do you cross multiply in dividing fractions?

To divide fractions, turn the second one over - that is, swap its numerator and denominator - and multiply. Nothing else is necessary. You cross multiply when you have a proportion, that is when you have two ratios that are equal.


How do you determine if more than two ratios are equivalent or not?

Cross-multiply them in pairs. The ratios are the same if and only if the answers are the same. Thus a/b = c/d iff a*d = b*c.


what ratios can you use to determine whether the relationship is proportional?

look at the ratios and multiply


What does it mean if the cross products of two ratios are not equal?

The ratios are not equal.


What is 10 percent of 40440400 dollars?

4044040 = 10% of 40440400. It is really easy to find the percentages because all you have to do is cross multiply and do ratios. For example x 10 ----= ----- 10 100 cross multiply 100x= 100 x=1 1= 10% of 10


When two or more ratios are equivalent?

When the cross-products of the two ratios are equal.


When you multiply fraction do you cross multiply?

No you only cross multiply when your working with percent


What value of x solves the following proportion?

To solve a proportion, you typically set the two ratios equal to each other and cross-multiply. For example, if you have ( \frac{a}{b} = \frac{c}{x} ), you would cross-multiply to get ( a \cdot x = b \cdot c ), and then solve for ( x ) by rearranging the equation to ( x = \frac{b \cdot c}{a} ). Please provide the specific values or ratios for a more precise answer.


When do two ratios form a proportion?

When both can multiply its comparisons to when both ratios share the exact same numbers.


If cross products are equal the ratios are equal?

Yes, they are.