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Finding the Third Proportional to 141,346.88 and 218,581.88

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Solution

The third proportional to 141,346.88 and 218,581.88 is: 338,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,346.88 : 218,581.88 = 218,581.88 : x
  2. Step 2: Convert to fraction form
    141,346.88/218,581.88 = 218,581.88/x
  3. Step 3: Cross multiply
    141,346.88x = 218,581.88 × 218,581.88
  4. Step 4: Simplify right side
    141,346.88x = 47,778,036,078.52
  5. Step 5: Solve for x
    x = 47,778,036,078.52/141,346.88
  6. Step 6: Final answer
    x = 338,019.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.