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Finding the Third Proportional to 57,261 and 82,474

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Solution

The third proportional to 57,261 and 82,474 is: 118,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261 : 82,474 = 82,474 : x
  2. Step 2: Convert to fraction form
    57,261/82,474 = 82,474/x
  3. Step 3: Cross multiply
    57,261x = 82,474 × 82,474
  4. Step 4: Simplify right side
    57,261x = 6,801,960,676
  5. Step 5: Solve for x
    x = 6,801,960,676/57,261
  6. Step 6: Final answer
    x = 118,788.72

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.