What denominator for 21 thirds = 49/ ? would make these ratios proportional?

3 answers

To make the ratios proportional, we need to find a denominator for 21 thirds that, when added to the numerator of 49, would result in an equivalent fraction.

To find this denominator, we can set up the following equation:

21/3 = 49/x

Cross-multiplying, we get:

21x = 147

Dividing both sides by 21, we find that x = 7

Therefore, the denominator needed for the fraction 21 thirds to make the ratios proportional would be 49/7.
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