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The three positive integers 3, 36, and x are such that their arithmetic mean exceeds their geometric mean by 13.  Find the value of x.

 Dec 18, 2019
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(3+36+x)/3  = (3 * 36 * x)^1/3  + 13

 

Solve by whatever method to find x = 54

 Dec 18, 2019

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