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Finding the Third Proportional to 11,180 and 16,918

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Solution

The third proportional to 11,180 and 16,918 is: 25,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180 : 16,918 = 16,918 : x
  2. Step 2: Convert to fraction form
    11,180/16,918 = 16,918/x
  3. Step 3: Cross multiply
    11,180x = 16,918 × 16,918
  4. Step 4: Simplify right side
    11,180x = 286,218,724
  5. Step 5: Solve for x
    x = 286,218,724/11,180
  6. Step 6: Final answer
    x = 25,600.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.