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Finding the Third Proportional to 8,514 and 12,714

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Solution

The third proportional to 8,514 and 12,714 is: 18,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514 : 12,714 = 12,714 : x
  2. Step 2: Convert to fraction form
    8,514/12,714 = 12,714/x
  3. Step 3: Cross multiply
    8,514x = 12,714 × 12,714
  4. Step 4: Simplify right side
    8,514x = 161,645,796
  5. Step 5: Solve for x
    x = 161,645,796/8,514
  6. Step 6: Final answer
    x = 18,985.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.