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Finding the Third Proportional to 6,118 and 8,887

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Solution

The third proportional to 6,118 and 8,887 is: 12,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118 : 8,887 = 8,887 : x
  2. Step 2: Convert to fraction form
    6,118/8,887 = 8,887/x
  3. Step 3: Cross multiply
    6,118x = 8,887 × 8,887
  4. Step 4: Simplify right side
    6,118x = 78,978,769
  5. Step 5: Solve for x
    x = 78,978,769/6,118
  6. Step 6: Final answer
    x = 12,909.25

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.