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Finding the Third Proportional to 33,288 and 71,448

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Solution

The third proportional to 33,288 and 71,448 is: 153,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,288 : 71,448 = 71,448 : x
  2. Step 2: Convert to fraction form
    33,288/71,448 = 71,448/x
  3. Step 3: Cross multiply
    33,288x = 71,448 × 71,448
  4. Step 4: Simplify right side
    33,288x = 5,104,816,704
  5. Step 5: Solve for x
    x = 5,104,816,704/33,288
  6. Step 6: Final answer
    x = 153,353.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.