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Finding the Third Proportional to 22,639.50 and 49,761

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Solution

The third proportional to 22,639.50 and 49,761 is: 109,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.50 : 49,761 = 49,761 : x
  2. Step 2: Convert to fraction form
    22,639.50/49,761 = 49,761/x
  3. Step 3: Cross multiply
    22,639.50x = 49,761 × 49,761
  4. Step 4: Simplify right side
    22,639.50x = 2,476,157,121
  5. Step 5: Solve for x
    x = 2,476,157,121/22,639.50
  6. Step 6: Final answer
    x = 109,373.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.