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Finding the Third Proportional to 67,612 and 146,672

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Solution

The third proportional to 67,612 and 146,672 is: 318,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,612 : 146,672 = 146,672 : x
  2. Step 2: Convert to fraction form
    67,612/146,672 = 146,672/x
  3. Step 3: Cross multiply
    67,612x = 146,672 × 146,672
  4. Step 4: Simplify right side
    67,612x = 21,512,675,584
  5. Step 5: Solve for x
    x = 21,512,675,584/67,612
  6. Step 6: Final answer
    x = 318,178.36

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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.