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Finding the Third Proportional to 177,837.75 and 266,761.69

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Solution

The third proportional to 177,837.75 and 266,761.69 is: 400,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,837.75 : 266,761.69 = 266,761.69 : x
  2. Step 2: Convert to fraction form
    177,837.75/266,761.69 = 266,761.69/x
  3. Step 3: Cross multiply
    177,837.75x = 266,761.69 × 266,761.69
  4. Step 4: Simplify right side
    177,837.75x = 71,161,797,917.85
  5. Step 5: Solve for x
    x = 71,161,797,917.85/177,837.75
  6. Step 6: Final answer
    x = 400,150.13

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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.