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Finding the Third Proportional to 39,342 and 62,391.75

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Solution

The third proportional to 39,342 and 62,391.75 is: 98,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342 : 62,391.75 = 62,391.75 : x
  2. Step 2: Convert to fraction form
    39,342/62,391.75 = 62,391.75/x
  3. Step 3: Cross multiply
    39,342x = 62,391.75 × 62,391.75
  4. Step 4: Simplify right side
    39,342x = 3,892,730,468.06
  5. Step 5: Solve for x
    x = 3,892,730,468.06/39,342
  6. Step 6: Final answer
    x = 98,945.92

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.