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Select the correct answerWhat is the third proportional to 10 to 20?Options25305040

Question

Select the correct answerWhat is the third proportional to 10 to 20?Options25305040

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Solution

The third proportional to 10 and 20 is found by the formula (b^2)/a, where a and b are the first and second numbers respectively.

So, the third proportional to 10 and 20 is (20^2)/10 = 400/10 = 40.

Therefore, the correct answer is 40.

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