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Finding the Third Proportional to 11,714 and 15,836

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Solution

The third proportional to 11,714 and 15,836 is: 21,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714 : 15,836 = 15,836 : x
  2. Step 2: Convert to fraction form
    11,714/15,836 = 15,836/x
  3. Step 3: Cross multiply
    11,714x = 15,836 × 15,836
  4. Step 4: Simplify right side
    11,714x = 250,778,896
  5. Step 5: Solve for x
    x = 250,778,896/11,714
  6. Step 6: Final answer
    x = 21,408.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.