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Finding the Third Proportional to 7,952 and 12,181

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Solution

The third proportional to 7,952 and 12,181 is: 18,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952 : 12,181 = 12,181 : x
  2. Step 2: Convert to fraction form
    7,952/12,181 = 12,181/x
  3. Step 3: Cross multiply
    7,952x = 12,181 × 12,181
  4. Step 4: Simplify right side
    7,952x = 148,376,761
  5. Step 5: Solve for x
    x = 148,376,761/7,952
  6. Step 6: Final answer
    x = 18,659.05

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.