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Finding the Third Proportional to 29,351 and 63,940

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Solution

The third proportional to 29,351 and 63,940 is: 139,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351 : 63,940 = 63,940 : x
  2. Step 2: Convert to fraction form
    29,351/63,940 = 63,940/x
  3. Step 3: Cross multiply
    29,351x = 63,940 × 63,940
  4. Step 4: Simplify right side
    29,351x = 4,088,323,600
  5. Step 5: Solve for x
    x = 4,088,323,600/29,351
  6. Step 6: Final answer
    x = 139,290.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.