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Finding the Third Proportional to 80,324.50 and 176,410.50

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Solution

The third proportional to 80,324.50 and 176,410.50 is: 387,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.50 : 176,410.50 = 176,410.50 : x
  2. Step 2: Convert to fraction form
    80,324.50/176,410.50 = 176,410.50/x
  3. Step 3: Cross multiply
    80,324.50x = 176,410.50 × 176,410.50
  4. Step 4: Simplify right side
    80,324.50x = 31,120,664,510.25
  5. Step 5: Solve for x
    x = 31,120,664,510.25/80,324.50
  6. Step 6: Final answer
    x = 387,436.77

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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.