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Finding the Third Proportional to 87,976 and 136,164

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Solution

The third proportional to 87,976 and 136,164 is: 210,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,976 : 136,164 = 136,164 : x
  2. Step 2: Convert to fraction form
    87,976/136,164 = 136,164/x
  3. Step 3: Cross multiply
    87,976x = 136,164 × 136,164
  4. Step 4: Simplify right side
    87,976x = 18,540,634,896
  5. Step 5: Solve for x
    x = 18,540,634,896/87,976
  6. Step 6: Final answer
    x = 210,746.51

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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.