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Finding the Third Proportional to 18,374 and 27,478

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Solution

The third proportional to 18,374 and 27,478 is: 41,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374 : 27,478 = 27,478 : x
  2. Step 2: Convert to fraction form
    18,374/27,478 = 27,478/x
  3. Step 3: Cross multiply
    18,374x = 27,478 × 27,478
  4. Step 4: Simplify right side
    18,374x = 755,040,484
  5. Step 5: Solve for x
    x = 755,040,484/18,374
  6. Step 6: Final answer
    x = 41,092.87

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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.