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Finding the Third Proportional to 60,417 and 129,585

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Solution

The third proportional to 60,417 and 129,585 is: 277,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,417 : 129,585 = 129,585 : x
  2. Step 2: Convert to fraction form
    60,417/129,585 = 129,585/x
  3. Step 3: Cross multiply
    60,417x = 129,585 × 129,585
  4. Step 4: Simplify right side
    60,417x = 16,792,272,225
  5. Step 5: Solve for x
    x = 16,792,272,225/60,417
  6. Step 6: Final answer
    x = 277,939.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.