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Finding the Third Proportional to 87,480 and 131,197

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Solution

The third proportional to 87,480 and 131,197 is: 196,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480 : 131,197 = 131,197 : x
  2. Step 2: Convert to fraction form
    87,480/131,197 = 131,197/x
  3. Step 3: Cross multiply
    87,480x = 131,197 × 131,197
  4. Step 4: Simplify right side
    87,480x = 17,212,652,809
  5. Step 5: Solve for x
    x = 17,212,652,809/87,480
  6. Step 6: Final answer
    x = 196,761.01

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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.