A proportion is an equation that states two ratios are equal. In other words, a proportion is a statement that two ratios are equivalent.
For example, consider the proportion: 2/4 = x/6. In this proportion, the ratio of 2 to 4 is equal to the ratio of x to 6. By cross multiplying, we can solve for x:
2 x 6 = 4 x x
=> 12 = 4x
=> x = 3
Therefore, the proportion 2/4 = 3/6 is true.
Describe what makes a proportion. Give a example of a proportion
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