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You can look at the ratio that is given to you for example in geometry... It is used to compare two ratios or make equivalent fractions. Use the ratio and make that the denominator of the proportion and cross multiply.

A proportion will help you solve problems like the one below. Jane has a box of apples and Oranges in the ratio of 2:3. If she has six apples, how many oranges does she have?

Before we begin to set up proportions for a word problem, we will concentrate on solving proportions. Remember, a proportion is a comparison between two ratios. The proportion shown below compares two ratios which are in the fraction form. 1 x - = - 2 6

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