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Finding the Third Proportional to 156,926 and 239,493

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Solution

The third proportional to 156,926 and 239,493 is: 365,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926 : 239,493 = 239,493 : x
  2. Step 2: Convert to fraction form
    156,926/239,493 = 239,493/x
  3. Step 3: Cross multiply
    156,926x = 239,493 × 239,493
  4. Step 4: Simplify right side
    156,926x = 57,356,897,049
  5. Step 5: Solve for x
    x = 57,356,897,049/156,926
  6. Step 6: Final answer
    x = 365,502.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.