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Finding the Third Proportional to 8,105.91 and 11,867.34

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Solution

The third proportional to 8,105.91 and 11,867.34 is: 17,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.91 : 11,867.34 = 11,867.34 : x
  2. Step 2: Convert to fraction form
    8,105.91/11,867.34 = 11,867.34/x
  3. Step 3: Cross multiply
    8,105.91x = 11,867.34 × 11,867.34
  4. Step 4: Simplify right side
    8,105.91x = 140,833,847.68
  5. Step 5: Solve for x
    x = 140,833,847.68/8,105.91
  6. Step 6: Final answer
    x = 17,374.23

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.