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Finding the Third Proportional to 39,021 and 60,393

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Solution

The third proportional to 39,021 and 60,393 is: 93,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021 : 60,393 = 60,393 : x
  2. Step 2: Convert to fraction form
    39,021/60,393 = 60,393/x
  3. Step 3: Cross multiply
    39,021x = 60,393 × 60,393
  4. Step 4: Simplify right side
    39,021x = 3,647,314,449
  5. Step 5: Solve for x
    x = 3,647,314,449/39,021
  6. Step 6: Final answer
    x = 93,470.55

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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.