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Finding the Third Proportional to 140,168 and 217,635

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Solution

The third proportional to 140,168 and 217,635 is: 337,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,168 : 217,635 = 217,635 : x
  2. Step 2: Convert to fraction form
    140,168/217,635 = 217,635/x
  3. Step 3: Cross multiply
    140,168x = 217,635 × 217,635
  4. Step 4: Simplify right side
    140,168x = 47,364,993,225
  5. Step 5: Solve for x
    x = 47,364,993,225/140,168
  6. Step 6: Final answer
    x = 337,915.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.