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Finding the Third Proportional to 33,394 and 68,025

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Solution

The third proportional to 33,394 and 68,025 is: 138,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,394 : 68,025 = 68,025 : x
  2. Step 2: Convert to fraction form
    33,394/68,025 = 68,025/x
  3. Step 3: Cross multiply
    33,394x = 68,025 × 68,025
  4. Step 4: Simplify right side
    33,394x = 4,627,400,625
  5. Step 5: Solve for x
    x = 4,627,400,625/33,394
  6. Step 6: Final answer
    x = 138,569.82

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.