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Finding the Third Proportional to 40,891.50 and 63,567

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Solution

The third proportional to 40,891.50 and 63,567 is: 98,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.50 : 63,567 = 63,567 : x
  2. Step 2: Convert to fraction form
    40,891.50/63,567 = 63,567/x
  3. Step 3: Cross multiply
    40,891.50x = 63,567 × 63,567
  4. Step 4: Simplify right side
    40,891.50x = 4,040,763,489
  5. Step 5: Solve for x
    x = 4,040,763,489/40,891.50
  6. Step 6: Final answer
    x = 98,816.71

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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.