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Finding the Third Proportional to 7,952 and 11,888

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Solution

The third proportional to 7,952 and 11,888 is: 17,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952 : 11,888 = 11,888 : x
  2. Step 2: Convert to fraction form
    7,952/11,888 = 11,888/x
  3. Step 3: Cross multiply
    7,952x = 11,888 × 11,888
  4. Step 4: Simplify right side
    7,952x = 141,324,544
  5. Step 5: Solve for x
    x = 141,324,544/7,952
  6. Step 6: Final answer
    x = 17,772.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.