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Finding the Third Proportional to 39,644 and 54,363

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Solution

The third proportional to 39,644 and 54,363 is: 74,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644 : 54,363 = 54,363 : x
  2. Step 2: Convert to fraction form
    39,644/54,363 = 54,363/x
  3. Step 3: Cross multiply
    39,644x = 54,363 × 54,363
  4. Step 4: Simplify right side
    39,644x = 2,955,335,769
  5. Step 5: Solve for x
    x = 2,955,335,769/39,644
  6. Step 6: Final answer
    x = 74,546.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.