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Finding the Third Proportional to 33,860 and 68,548

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Solution

The third proportional to 33,860 and 68,548 is: 138,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,860 : 68,548 = 68,548 : x
  2. Step 2: Convert to fraction form
    33,860/68,548 = 68,548/x
  3. Step 3: Cross multiply
    33,860x = 68,548 × 68,548
  4. Step 4: Simplify right side
    33,860x = 4,698,828,304
  5. Step 5: Solve for x
    x = 4,698,828,304/33,860
  6. Step 6: Final answer
    x = 138,772.25

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.