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Finding the Third Proportional to 40,331 and 62,603

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Solution

The third proportional to 40,331 and 62,603 is: 97,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331 : 62,603 = 62,603 : x
  2. Step 2: Convert to fraction form
    40,331/62,603 = 62,603/x
  3. Step 3: Cross multiply
    40,331x = 62,603 × 62,603
  4. Step 4: Simplify right side
    40,331x = 3,919,135,609
  5. Step 5: Solve for x
    x = 3,919,135,609/40,331
  6. Step 6: Final answer
    x = 97,174.27

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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.