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Finding the Third Proportional to 39,432 and 61,092

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Solution

The third proportional to 39,432 and 61,092 is: 94,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432 : 61,092 = 61,092 : x
  2. Step 2: Convert to fraction form
    39,432/61,092 = 61,092/x
  3. Step 3: Cross multiply
    39,432x = 61,092 × 61,092
  4. Step 4: Simplify right side
    39,432x = 3,732,232,464
  5. Step 5: Solve for x
    x = 3,732,232,464/39,432
  6. Step 6: Final answer
    x = 94,649.84

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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.