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Finding the Third Proportional to 1,932.13 and 4,114.15

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Solution

The third proportional to 1,932.13 and 4,114.15 is: 8,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.13 : 4,114.15 = 4,114.15 : x
  2. Step 2: Convert to fraction form
    1,932.13/4,114.15 = 4,114.15/x
  3. Step 3: Cross multiply
    1,932.13x = 4,114.15 × 4,114.15
  4. Step 4: Simplify right side
    1,932.13x = 16,926,241.47
  5. Step 5: Solve for x
    x = 16,926,241.47/1,932.13
  6. Step 6: Final answer
    x = 8,760.38

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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.