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Finding the Third Proportional to 80,930 and 176,608

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Solution

The third proportional to 80,930 and 176,608 is: 385,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930 : 176,608 = 176,608 : x
  2. Step 2: Convert to fraction form
    80,930/176,608 = 176,608/x
  3. Step 3: Cross multiply
    80,930x = 176,608 × 176,608
  4. Step 4: Simplify right side
    80,930x = 31,190,385,664
  5. Step 5: Solve for x
    x = 31,190,385,664/80,930
  6. Step 6: Final answer
    x = 385,399.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.