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Finding the Third Proportional to 179,463.38 and 391,525.88

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Solution

The third proportional to 179,463.38 and 391,525.88 is: 854,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,463.38 : 391,525.88 = 391,525.88 : x
  2. Step 2: Convert to fraction form
    179,463.38/391,525.88 = 391,525.88/x
  3. Step 3: Cross multiply
    179,463.38x = 391,525.88 × 391,525.88
  4. Step 4: Simplify right side
    179,463.38x = 153,292,510,794.52
  5. Step 5: Solve for x
    x = 153,292,510,794.52/179,463.38
  6. Step 6: Final answer
    x = 854,171.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.