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Finding the Third Proportional to 47 and 66.13

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Solution

The third proportional to 47 and 66.13 is: 93.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47 : 66.13 = 66.13 : x
  2. Step 2: Convert to fraction form
    47/66.13 = 66.13/x
  3. Step 3: Cross multiply
    47x = 66.13 × 66.13
  4. Step 4: Simplify right side
    47x = 4,372.52
  5. Step 5: Solve for x
    x = 4,372.52/47
  6. Step 6: Final answer
    x = 93.03

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.