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Finding the Third Proportional to 80,590.88 and 103,731.75

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Solution

The third proportional to 80,590.88 and 103,731.75 is: 133,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,590.88 : 103,731.75 = 103,731.75 : x
  2. Step 2: Convert to fraction form
    80,590.88/103,731.75 = 103,731.75/x
  3. Step 3: Cross multiply
    80,590.88x = 103,731.75 × 103,731.75
  4. Step 4: Simplify right side
    80,590.88x = 10,760,275,958.06
  5. Step 5: Solve for x
    x = 10,760,275,958.06/80,590.88
  6. Step 6: Final answer
    x = 133,517.30

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.