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Finding the Third Proportional to 62,976 and 137,664

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Solution

The third proportional to 62,976 and 137,664 is: 300,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976 : 137,664 = 137,664 : x
  2. Step 2: Convert to fraction form
    62,976/137,664 = 137,664/x
  3. Step 3: Cross multiply
    62,976x = 137,664 × 137,664
  4. Step 4: Simplify right side
    62,976x = 18,951,376,896
  5. Step 5: Solve for x
    x = 18,951,376,896/62,976
  6. Step 6: Final answer
    x = 300,930.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.