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      Question

      Find the third proportional to 12 and 48?

      A 147 Correct Answer Incorrect Answer
      B 208 Correct Answer Incorrect Answer
      C 126 Correct Answer Incorrect Answer
      D 192 Correct Answer Incorrect Answer

      Solution

      Third proportional = a : b :: b : c It can be written as = b2ย = acย ย  Here, a : b : c = 12 : 48 : c => 48ย ร— 48 = 12 ร— c => c = (48ย ร— 48)/12 = 192

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