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Finding the Third Proportional to 8,132 and 18,118

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Solution

The third proportional to 8,132 and 18,118 is: 40,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132 : 18,118 = 18,118 : x
  2. Step 2: Convert to fraction form
    8,132/18,118 = 18,118/x
  3. Step 3: Cross multiply
    8,132x = 18,118 × 18,118
  4. Step 4: Simplify right side
    8,132x = 328,261,924
  5. Step 5: Solve for x
    x = 328,261,924/8,132
  6. Step 6: Final answer
    x = 40,366.69

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.