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Finding the Third Proportional to 115,167.75 and 177,672

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Solution

The third proportional to 115,167.75 and 177,672 is: 274,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,167.75 : 177,672 = 177,672 : x
  2. Step 2: Convert to fraction form
    115,167.75/177,672 = 177,672/x
  3. Step 3: Cross multiply
    115,167.75x = 177,672 × 177,672
  4. Step 4: Simplify right side
    115,167.75x = 31,567,339,584
  5. Step 5: Solve for x
    x = 31,567,339,584/115,167.75
  6. Step 6: Final answer
    x = 274,098.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.