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Finding the Third Proportional to 75,124 and 112,451

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Solution

The third proportional to 75,124 and 112,451 is: 168,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124 : 112,451 = 112,451 : x
  2. Step 2: Convert to fraction form
    75,124/112,451 = 112,451/x
  3. Step 3: Cross multiply
    75,124x = 112,451 × 112,451
  4. Step 4: Simplify right side
    75,124x = 12,645,227,401
  5. Step 5: Solve for x
    x = 12,645,227,401/75,124
  6. Step 6: Final answer
    x = 168,324.74

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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.