Find the third proportional to 9 and 12?\nOptions:\n(A) 10\n(B) 12\n(C) 16\n(D) 19\n(E) 20
Let's be accurate as possible and think first.
(C)
Formula = Third proportional = (b × b)/a\nA = 9 and B = 12\n(12 × 12)/ 9 = 144/9 = 16.

Therefore, the answer is (C)