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Finding the Third Proportional to 177,320 and 379,552

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Solution

The third proportional to 177,320 and 379,552 is: 812,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320 : 379,552 = 379,552 : x
  2. Step 2: Convert to fraction form
    177,320/379,552 = 379,552/x
  3. Step 3: Cross multiply
    177,320x = 379,552 × 379,552
  4. Step 4: Simplify right side
    177,320x = 144,059,720,704
  5. Step 5: Solve for x
    x = 144,059,720,704/177,320
  6. Step 6: Final answer
    x = 812,427.93

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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.