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Finding the Third Proportional to 80,452 and 176,764

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Solution

The third proportional to 80,452 and 176,764 is: 388,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452 : 176,764 = 176,764 : x
  2. Step 2: Convert to fraction form
    80,452/176,764 = 176,764/x
  3. Step 3: Cross multiply
    80,452x = 176,764 × 176,764
  4. Step 4: Simplify right side
    80,452x = 31,245,511,696
  5. Step 5: Solve for x
    x = 31,245,511,696/80,452
  6. Step 6: Final answer
    x = 388,374.58

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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.