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Finding the Third Proportional to 181,102 and 395,860

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Solution

The third proportional to 181,102 and 395,860 is: 865,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,102 : 395,860 = 395,860 : x
  2. Step 2: Convert to fraction form
    181,102/395,860 = 395,860/x
  3. Step 3: Cross multiply
    181,102x = 395,860 × 395,860
  4. Step 4: Simplify right side
    181,102x = 156,705,139,600
  5. Step 5: Solve for x
    x = 156,705,139,600/181,102
  6. Step 6: Final answer
    x = 865,286.63

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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.