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Finding the Third Proportional to 7,930 and 11,327

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Solution

The third proportional to 7,930 and 11,327 is: 16,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930 : 11,327 = 11,327 : x
  2. Step 2: Convert to fraction form
    7,930/11,327 = 11,327/x
  3. Step 3: Cross multiply
    7,930x = 11,327 × 11,327
  4. Step 4: Simplify right side
    7,930x = 128,300,929
  5. Step 5: Solve for x
    x = 128,300,929/7,930
  6. Step 6: Final answer
    x = 16,179.18

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.