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Finding the Third Proportional to 11,284 and 16,880

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Solution

The third proportional to 11,284 and 16,880 is: 25,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284 : 16,880 = 16,880 : x
  2. Step 2: Convert to fraction form
    11,284/16,880 = 16,880/x
  3. Step 3: Cross multiply
    11,284x = 16,880 × 16,880
  4. Step 4: Simplify right side
    11,284x = 284,934,400
  5. Step 5: Solve for x
    x = 284,934,400/11,284
  6. Step 6: Final answer
    x = 25,251.19

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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.