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Finding the Third Proportional to 11,486 and 17,763

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Solution

The third proportional to 11,486 and 17,763 is: 27,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486 : 17,763 = 17,763 : x
  2. Step 2: Convert to fraction form
    11,486/17,763 = 17,763/x
  3. Step 3: Cross multiply
    11,486x = 17,763 × 17,763
  4. Step 4: Simplify right side
    11,486x = 315,524,169
  5. Step 5: Solve for x
    x = 315,524,169/11,486
  6. Step 6: Final answer
    x = 27,470.33

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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.