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Finding the Third Proportional to 36,561 and 54,685.50

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Solution

The third proportional to 36,561 and 54,685.50 is: 81,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561 : 54,685.50 = 54,685.50 : x
  2. Step 2: Convert to fraction form
    36,561/54,685.50 = 54,685.50/x
  3. Step 3: Cross multiply
    36,561x = 54,685.50 × 54,685.50
  4. Step 4: Simplify right side
    36,561x = 2,990,503,910.25
  5. Step 5: Solve for x
    x = 2,990,503,910.25/36,561
  6. Step 6: Final answer
    x = 81,794.92

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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.