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Finding the Third Proportional to 87,873 and 136,179

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Solution

The third proportional to 87,873 and 136,179 is: 211,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,873 : 136,179 = 136,179 : x
  2. Step 2: Convert to fraction form
    87,873/136,179 = 136,179/x
  3. Step 3: Cross multiply
    87,873x = 136,179 × 136,179
  4. Step 4: Simplify right side
    87,873x = 18,544,720,041
  5. Step 5: Solve for x
    x = 18,544,720,041/87,873
  6. Step 6: Final answer
    x = 211,040.02

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.