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Finding the Third Proportional to 8,464.50 and 11,517.19

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Solution

The third proportional to 8,464.50 and 11,517.19 is: 15,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.50 : 11,517.19 = 11,517.19 : x
  2. Step 2: Convert to fraction form
    8,464.50/11,517.19 = 11,517.19/x
  3. Step 3: Cross multiply
    8,464.50x = 11,517.19 × 11,517.19
  4. Step 4: Simplify right side
    8,464.50x = 132,645,607.91
  5. Step 5: Solve for x
    x = 132,645,607.91/8,464.50
  6. Step 6: Final answer
    x = 15,670.81

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.