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Finding the Third Proportional to 11,110.50 and 15,626

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Solution

The third proportional to 11,110.50 and 15,626 is: 21,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.50 : 15,626 = 15,626 : x
  2. Step 2: Convert to fraction form
    11,110.50/15,626 = 15,626/x
  3. Step 3: Cross multiply
    11,110.50x = 15,626 × 15,626
  4. Step 4: Simplify right side
    11,110.50x = 244,171,876
  5. Step 5: Solve for x
    x = 244,171,876/11,110.50
  6. Step 6: Final answer
    x = 21,976.68

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.