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Finding the Third Proportional to 67,688 and 146,675

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Solution

The third proportional to 67,688 and 146,675 is: 317,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,688 : 146,675 = 146,675 : x
  2. Step 2: Convert to fraction form
    67,688/146,675 = 146,675/x
  3. Step 3: Cross multiply
    67,688x = 146,675 × 146,675
  4. Step 4: Simplify right side
    67,688x = 21,513,555,625
  5. Step 5: Solve for x
    x = 21,513,555,625/67,688
  6. Step 6: Final answer
    x = 317,834.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.