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Finding the Third Proportional to 17,156 and 25,775

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Solution

The third proportional to 17,156 and 25,775 is: 38,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156 : 25,775 = 25,775 : x
  2. Step 2: Convert to fraction form
    17,156/25,775 = 25,775/x
  3. Step 3: Cross multiply
    17,156x = 25,775 × 25,775
  4. Step 4: Simplify right side
    17,156x = 664,350,625
  5. Step 5: Solve for x
    x = 664,350,625/17,156
  6. Step 6: Final answer
    x = 38,724.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.