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Finding the Third Proportional to 87,672 and 125,361.75

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Solution

The third proportional to 87,672 and 125,361.75 is: 179,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,672 : 125,361.75 = 125,361.75 : x
  2. Step 2: Convert to fraction form
    87,672/125,361.75 = 125,361.75/x
  3. Step 3: Cross multiply
    87,672x = 125,361.75 × 125,361.75
  4. Step 4: Simplify right side
    87,672x = 15,715,568,363.06
  5. Step 5: Solve for x
    x = 15,715,568,363.06/87,672
  6. Step 6: Final answer
    x = 179,254.13

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.