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Finding the Third Proportional to 40,448 and 62,859

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Solution

The third proportional to 40,448 and 62,859 is: 97,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448 : 62,859 = 62,859 : x
  2. Step 2: Convert to fraction form
    40,448/62,859 = 62,859/x
  3. Step 3: Cross multiply
    40,448x = 62,859 × 62,859
  4. Step 4: Simplify right side
    40,448x = 3,951,253,881
  5. Step 5: Solve for x
    x = 3,951,253,881/40,448
  6. Step 6: Final answer
    x = 97,687.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.