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Finding the Third Proportional to 67,328 and 146,474

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Solution

The third proportional to 67,328 and 146,474 is: 318,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328 : 146,474 = 146,474 : x
  2. Step 2: Convert to fraction form
    67,328/146,474 = 146,474/x
  3. Step 3: Cross multiply
    67,328x = 146,474 × 146,474
  4. Step 4: Simplify right side
    67,328x = 21,454,632,676
  5. Step 5: Solve for x
    x = 21,454,632,676/67,328
  6. Step 6: Final answer
    x = 318,658.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.