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Finding the Third Proportional to 11,269 and 16,886

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Solution

The third proportional to 11,269 and 16,886 is: 25,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269 : 16,886 = 16,886 : x
  2. Step 2: Convert to fraction form
    11,269/16,886 = 16,886/x
  3. Step 3: Cross multiply
    11,269x = 16,886 × 16,886
  4. Step 4: Simplify right side
    11,269x = 285,136,996
  5. Step 5: Solve for x
    x = 285,136,996/11,269
  6. Step 6: Final answer
    x = 25,302.78

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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.