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Finding the Third Proportional to 25,416 and 38,451

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Solution

The third proportional to 25,416 and 38,451 is: 58,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416 : 38,451 = 38,451 : x
  2. Step 2: Convert to fraction form
    25,416/38,451 = 38,451/x
  3. Step 3: Cross multiply
    25,416x = 38,451 × 38,451
  4. Step 4: Simplify right side
    25,416x = 1,478,479,401
  5. Step 5: Solve for x
    x = 1,478,479,401/25,416
  6. Step 6: Final answer
    x = 58,171.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.