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Finding the Third Proportional to 3,982.50 and 8,493.19

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Solution

The third proportional to 3,982.50 and 8,493.19 is: 18,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.50 : 8,493.19 = 8,493.19 : x
  2. Step 2: Convert to fraction form
    3,982.50/8,493.19 = 8,493.19/x
  3. Step 3: Cross multiply
    3,982.50x = 8,493.19 × 8,493.19
  4. Step 4: Simplify right side
    3,982.50x = 72,134,233.91
  5. Step 5: Solve for x
    x = 72,134,233.91/3,982.50
  6. Step 6: Final answer
    x = 18,112.80

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.