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Finding the Third Proportional to 136,786 and 204,632

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Solution

The third proportional to 136,786 and 204,632 is: 306,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786 : 204,632 = 204,632 : x
  2. Step 2: Convert to fraction form
    136,786/204,632 = 204,632/x
  3. Step 3: Cross multiply
    136,786x = 204,632 × 204,632
  4. Step 4: Simplify right side
    136,786x = 41,874,255,424
  5. Step 5: Solve for x
    x = 41,874,255,424/136,786
  6. Step 6: Final answer
    x = 306,129.69

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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.