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Finding the Third Proportional to 43,606.13 and 80,979.75

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Solution

The third proportional to 43,606.13 and 80,979.75 is: 150,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,606.13 : 80,979.75 = 80,979.75 : x
  2. Step 2: Convert to fraction form
    43,606.13/80,979.75 = 80,979.75/x
  3. Step 3: Cross multiply
    43,606.13x = 80,979.75 × 80,979.75
  4. Step 4: Simplify right side
    43,606.13x = 6,557,719,910.06
  5. Step 5: Solve for x
    x = 6,557,719,910.06/43,606.13
  6. Step 6: Final answer
    x = 150,385.29

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.