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a/b = c/d if and only if a*d = b*c.

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Q: How can you tell if two ratios form a proportion?
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What does it mean when two ratios form a proportion?

When two ratios form a proportion, the ratios are equal


How can you check to see if two ratios form a proportion?

Any two ratios, provided the second is not 0, form a proportion.


When two ratios are equal they form a?

Proportion


Can two ratios form a proportion?

yes they can


What are two ways you can tell two ratios form a proportion?

The simplified forms of the two ratios are the same.The cross products are the same: a/b = c/d if ad = bc


What are two i ways you can tell two ratios form a proportion?

The simplified forms of the two ratios are the same.The cross products are the same: a/b = c/d if ad = bc


How can you tell when two ratios form a proportion?

The simplest way is to check if their cross-products are the same. That is, if you have A/B and X/Y then if AY = BX the two ratios are equivalent.


Is 3 over 4 a form proportion why?

A proportion is a statement that two ratios are equal.3/4 is one ratio, so it does not form a proportion.


When do two ratios form a proportion?

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


An equation that states that two ratios are equal?

An equation that states that two ratios are equal is a proportion.


What are two ways you can tell a ratio form a proportion?

The simplified forms of the two ratios are the same.The cross products are the same: a/b = c/d if ad = bc


Two ratios that are equivalent are said to be in what?

Two ratios that are equivalent are said to be in proportion