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Finding the Third Proportional to 3,289.13 and 4,432.13

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Solution

The third proportional to 3,289.13 and 4,432.13 is: 5,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.13 : 4,432.13 = 4,432.13 : x
  2. Step 2: Convert to fraction form
    3,289.13/4,432.13 = 4,432.13/x
  3. Step 3: Cross multiply
    3,289.13x = 4,432.13 × 4,432.13
  4. Step 4: Simplify right side
    3,289.13x = 19,643,732.02
  5. Step 5: Solve for x
    x = 19,643,732.02/3,289.13
  6. Step 6: Final answer
    x = 5,972.33

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.