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Finding the Third Proportional to 177,616 and 380,424

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Solution

The third proportional to 177,616 and 380,424 is: 814,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,616 : 380,424 = 380,424 : x
  2. Step 2: Convert to fraction form
    177,616/380,424 = 380,424/x
  3. Step 3: Cross multiply
    177,616x = 380,424 × 380,424
  4. Step 4: Simplify right side
    177,616x = 144,722,419,776
  5. Step 5: Solve for x
    x = 144,722,419,776/177,616
  6. Step 6: Final answer
    x = 814,805.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.