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Finding the Third Proportional to 107,179.88 and 235,379.25

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Solution

The third proportional to 107,179.88 and 235,379.25 is: 516,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,179.88 : 235,379.25 = 235,379.25 : x
  2. Step 2: Convert to fraction form
    107,179.88/235,379.25 = 235,379.25/x
  3. Step 3: Cross multiply
    107,179.88x = 235,379.25 × 235,379.25
  4. Step 4: Simplify right side
    107,179.88x = 55,403,391,330.56
  5. Step 5: Solve for x
    x = 55,403,391,330.56/107,179.88
  6. Step 6: Final answer
    x = 516,919.72

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.