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Finding the Third Proportional to 11,863.50 and 17,763

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Solution

The third proportional to 11,863.50 and 17,763 is: 26,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.50 : 17,763 = 17,763 : x
  2. Step 2: Convert to fraction form
    11,863.50/17,763 = 17,763/x
  3. Step 3: Cross multiply
    11,863.50x = 17,763 × 17,763
  4. Step 4: Simplify right side
    11,863.50x = 315,524,169
  5. Step 5: Solve for x
    x = 315,524,169/11,863.50
  6. Step 6: Final answer
    x = 26,596.21

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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.