GMAT Problem Solving (PS) | Re: Let a, b, and c be three integers, and let a be a perfect square. If a

Given: \(\frac{a}{b}\)=\(\frac{b}{c}\)
Thus, \(b^2\)= ac
It is given that a is a perfect square
From the above equation, It is concluded that
b is also a perfect square
Therefore, C must be a perfect square

\(Answer: C.\)

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