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Finding the Third Proportional to 28,287 and 60,957

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Solution

The third proportional to 28,287 and 60,957 is: 131,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287 : 60,957 = 60,957 : x
  2. Step 2: Convert to fraction form
    28,287/60,957 = 60,957/x
  3. Step 3: Cross multiply
    28,287x = 60,957 × 60,957
  4. Step 4: Simplify right side
    28,287x = 3,715,755,849
  5. Step 5: Solve for x
    x = 3,715,755,849/28,287
  6. Step 6: Final answer
    x = 131,359.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.