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Finding the Third Proportional to 68,636 and 150,394

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Solution

The third proportional to 68,636 and 150,394 is: 329,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636 : 150,394 = 150,394 : x
  2. Step 2: Convert to fraction form
    68,636/150,394 = 150,394/x
  3. Step 3: Cross multiply
    68,636x = 150,394 × 150,394
  4. Step 4: Simplify right side
    68,636x = 22,618,355,236
  5. Step 5: Solve for x
    x = 22,618,355,236/68,636
  6. Step 6: Final answer
    x = 329,540.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.