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Finding the Third Proportional to 7,327 and 7,939

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Solution

The third proportional to 7,327 and 7,939 is: 8,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327 : 7,939 = 7,939 : x
  2. Step 2: Convert to fraction form
    7,327/7,939 = 7,939/x
  3. Step 3: Cross multiply
    7,327x = 7,939 × 7,939
  4. Step 4: Simplify right side
    7,327x = 63,027,721
  5. Step 5: Solve for x
    x = 63,027,721/7,327
  6. Step 6: Final answer
    x = 8,602.12

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.