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Finding the Third Proportional to 80,934 and 177,927

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Solution

The third proportional to 80,934 and 177,927 is: 391,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,934 : 177,927 = 177,927 : x
  2. Step 2: Convert to fraction form
    80,934/177,927 = 177,927/x
  3. Step 3: Cross multiply
    80,934x = 177,927 × 177,927
  4. Step 4: Simplify right side
    80,934x = 31,658,017,329
  5. Step 5: Solve for x
    x = 31,658,017,329/80,934
  6. Step 6: Final answer
    x = 391,158.44

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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.