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Finding the Third Proportional to 39,192 and 60,720

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Solution

The third proportional to 39,192 and 60,720 is: 94,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192 : 60,720 = 60,720 : x
  2. Step 2: Convert to fraction form
    39,192/60,720 = 60,720/x
  3. Step 3: Cross multiply
    39,192x = 60,720 × 60,720
  4. Step 4: Simplify right side
    39,192x = 3,686,918,400
  5. Step 5: Solve for x
    x = 3,686,918,400/39,192
  6. Step 6: Final answer
    x = 94,073.24

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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.