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Finding the Third Proportional to 80,425.13 and 176,604.75

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Solution

The third proportional to 80,425.13 and 176,604.75 is: 387,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,425.13 : 176,604.75 = 176,604.75 : x
  2. Step 2: Convert to fraction form
    80,425.13/176,604.75 = 176,604.75/x
  3. Step 3: Cross multiply
    80,425.13x = 176,604.75 × 176,604.75
  4. Step 4: Simplify right side
    80,425.13x = 31,189,237,722.56
  5. Step 5: Solve for x
    x = 31,189,237,722.56/80,425.13
  6. Step 6: Final answer
    x = 387,804.65

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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.