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Finding the Third Proportional to 33,620 and 81,496

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Solution

The third proportional to 33,620 and 81,496 is: 197,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620 : 81,496 = 81,496 : x
  2. Step 2: Convert to fraction form
    33,620/81,496 = 81,496/x
  3. Step 3: Cross multiply
    33,620x = 81,496 × 81,496
  4. Step 4: Simplify right side
    33,620x = 6,641,598,016
  5. Step 5: Solve for x
    x = 6,641,598,016/33,620
  6. Step 6: Final answer
    x = 197,549.02

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.