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Finding the Third Proportional to 136,817 and 204,675

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Solution

The third proportional to 136,817 and 204,675 is: 306,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,817 : 204,675 = 204,675 : x
  2. Step 2: Convert to fraction form
    136,817/204,675 = 204,675/x
  3. Step 3: Cross multiply
    136,817x = 204,675 × 204,675
  4. Step 4: Simplify right side
    136,817x = 41,891,855,625
  5. Step 5: Solve for x
    x = 41,891,855,625/136,817
  6. Step 6: Final answer
    x = 306,188.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.