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Finding the Third Proportional to 36,227.50 and 77,811

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Solution

The third proportional to 36,227.50 and 77,811 is: 167,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,227.50 : 77,811 = 77,811 : x
  2. Step 2: Convert to fraction form
    36,227.50/77,811 = 77,811/x
  3. Step 3: Cross multiply
    36,227.50x = 77,811 × 77,811
  4. Step 4: Simplify right side
    36,227.50x = 6,054,551,721
  5. Step 5: Solve for x
    x = 6,054,551,721/36,227.50
  6. Step 6: Final answer
    x = 167,125.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.