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      Question

      Find the third proportion of 30 and

      12.
      A 5.5 Correct Answer Incorrect Answer
      B 9 Correct Answer Incorrect Answer
      C 4.8 Correct Answer Incorrect Answer
      D 7.5 Correct Answer Incorrect Answer

      Solution

      Let the third proportion be тАШxтАЩ. So, x = (12 x 12)/30 = 4.8

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