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Finding the Third Proportional to 121,624 and 181,949

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Solution

The third proportional to 121,624 and 181,949 is: 272,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624 : 181,949 = 181,949 : x
  2. Step 2: Convert to fraction form
    121,624/181,949 = 181,949/x
  3. Step 3: Cross multiply
    121,624x = 181,949 × 181,949
  4. Step 4: Simplify right side
    121,624x = 33,105,438,601
  5. Step 5: Solve for x
    x = 33,105,438,601/121,624
  6. Step 6: Final answer
    x = 272,194.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.