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Finding the Third Proportional to 104,739.75 and 156,691.13

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Solution

The third proportional to 104,739.75 and 156,691.13 is: 234,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,739.75 : 156,691.13 = 156,691.13 : x
  2. Step 2: Convert to fraction form
    104,739.75/156,691.13 = 156,691.13/x
  3. Step 3: Cross multiply
    104,739.75x = 156,691.13 × 156,691.13
  4. Step 4: Simplify right side
    104,739.75x = 24,552,108,653.77
  5. Step 5: Solve for x
    x = 24,552,108,653.77/104,739.75
  6. Step 6: Final answer
    x = 234,410.61

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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.