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Finding the Third Proportional to 521,251.88 and 1,126,819.69

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Solution

The third proportional to 521,251.88 and 1,126,819.69 is: 2,435,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,251.88 : 1,126,819.69 = 1,126,819.69 : x
  2. Step 2: Convert to fraction form
    521,251.88/1,126,819.69 = 1,126,819.69/x
  3. Step 3: Cross multiply
    521,251.88x = 1,126,819.69 × 1,126,819.69
  4. Step 4: Simplify right side
    521,251.88x = 1,269,722,608,137.60
  5. Step 5: Solve for x
    x = 1,269,722,608,137.60/521,251.88
  6. Step 6: Final answer
    x = 2,435,909.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.