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Finding the Third Proportional to 220,181.41 and 337,379.87

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Solution

The third proportional to 220,181.41 and 337,379.87 is: 516,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,181.41 : 337,379.87 = 337,379.87 : x
  2. Step 2: Convert to fraction form
    220,181.41/337,379.87 = 337,379.87/x
  3. Step 3: Cross multiply
    220,181.41x = 337,379.87 × 337,379.87
  4. Step 4: Simplify right side
    220,181.41x = 113,825,177,419.24
  5. Step 5: Solve for x
    x = 113,825,177,419.24/220,181.41
  6. Step 6: Final answer
    x = 516,960.88

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.