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Finding the Third Proportional to 9,200 and 11,864

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Solution

The third proportional to 9,200 and 11,864 is: 15,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200 : 11,864 = 11,864 : x
  2. Step 2: Convert to fraction form
    9,200/11,864 = 11,864/x
  3. Step 3: Cross multiply
    9,200x = 11,864 × 11,864
  4. Step 4: Simplify right side
    9,200x = 140,754,496
  5. Step 5: Solve for x
    x = 140,754,496/9,200
  6. Step 6: Final answer
    x = 15,299.40

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.