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Finding the Third Proportional to 181,108 and 395,876

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Solution

The third proportional to 181,108 and 395,876 is: 865,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,108 : 395,876 = 395,876 : x
  2. Step 2: Convert to fraction form
    181,108/395,876 = 395,876/x
  3. Step 3: Cross multiply
    181,108x = 395,876 × 395,876
  4. Step 4: Simplify right side
    181,108x = 156,717,807,376
  5. Step 5: Solve for x
    x = 156,717,807,376/181,108
  6. Step 6: Final answer
    x = 865,327.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.