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Finding the Third Proportional to 36,408 and 49,422

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Solution

The third proportional to 36,408 and 49,422 is: 67,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408 : 49,422 = 49,422 : x
  2. Step 2: Convert to fraction form
    36,408/49,422 = 49,422/x
  3. Step 3: Cross multiply
    36,408x = 49,422 × 49,422
  4. Step 4: Simplify right side
    36,408x = 2,442,534,084
  5. Step 5: Solve for x
    x = 2,442,534,084/36,408
  6. Step 6: Final answer
    x = 67,087.84

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.