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Finding the Third Proportional to 168,171.75 and 251,793

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Solution

The third proportional to 168,171.75 and 251,793 is: 376,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171.75 : 251,793 = 251,793 : x
  2. Step 2: Convert to fraction form
    168,171.75/251,793 = 251,793/x
  3. Step 3: Cross multiply
    168,171.75x = 251,793 × 251,793
  4. Step 4: Simplify right side
    168,171.75x = 63,399,714,849
  5. Step 5: Solve for x
    x = 63,399,714,849/168,171.75
  6. Step 6: Final answer
    x = 376,993.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.