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Finding the Third Proportional to 87,183 and 134,718

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Solution

The third proportional to 87,183 and 134,718 is: 208,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,183 : 134,718 = 134,718 : x
  2. Step 2: Convert to fraction form
    87,183/134,718 = 134,718/x
  3. Step 3: Cross multiply
    87,183x = 134,718 × 134,718
  4. Step 4: Simplify right side
    87,183x = 18,148,939,524
  5. Step 5: Solve for x
    x = 18,148,939,524/87,183
  6. Step 6: Final answer
    x = 208,170.62

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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.