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Finding the Third Proportional to 177,514 and 386,132

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Solution

The third proportional to 177,514 and 386,132 is: 839,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,514 : 386,132 = 386,132 : x
  2. Step 2: Convert to fraction form
    177,514/386,132 = 386,132/x
  3. Step 3: Cross multiply
    177,514x = 386,132 × 386,132
  4. Step 4: Simplify right side
    177,514x = 149,097,921,424
  5. Step 5: Solve for x
    x = 149,097,921,424/177,514
  6. Step 6: Final answer
    x = 839,922.04

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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.