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Finding the Third Proportional to 168,156 and 361,098

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Solution

The third proportional to 168,156 and 361,098 is: 775,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156 : 361,098 = 361,098 : x
  2. Step 2: Convert to fraction form
    168,156/361,098 = 361,098/x
  3. Step 3: Cross multiply
    168,156x = 361,098 × 361,098
  4. Step 4: Simplify right side
    168,156x = 130,391,765,604
  5. Step 5: Solve for x
    x = 130,391,765,604/168,156
  6. Step 6: Final answer
    x = 775,421.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.