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Finding the Third Proportional to 62,408 and 135,398

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Solution

The third proportional to 62,408 and 135,398 is: 293,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,408 : 135,398 = 135,398 : x
  2. Step 2: Convert to fraction form
    62,408/135,398 = 135,398/x
  3. Step 3: Cross multiply
    62,408x = 135,398 × 135,398
  4. Step 4: Simplify right side
    62,408x = 18,332,618,404
  5. Step 5: Solve for x
    x = 18,332,618,404/62,408
  6. Step 6: Final answer
    x = 293,754.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.