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Finding the Third Proportional to 33,539 and 45,387

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Solution

The third proportional to 33,539 and 45,387 is: 61,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,539 : 45,387 = 45,387 : x
  2. Step 2: Convert to fraction form
    33,539/45,387 = 45,387/x
  3. Step 3: Cross multiply
    33,539x = 45,387 × 45,387
  4. Step 4: Simplify right side
    33,539x = 2,059,979,769
  5. Step 5: Solve for x
    x = 2,059,979,769/33,539
  6. Step 6: Final answer
    x = 61,420.43

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.