Each of a, b, and c is positive. Does b = \sqrt{ac}?
(1) \frac{a}{b} = \frac{b}{c}
(2) \frac{1}{b^3} = \frac{1}{abc}
(1) \frac{a}{b} = \frac{b}{c}
(2) \frac{1}{b^3} = \frac{1}{abc}