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Finding the Third Proportional to 3,958 and 9,164

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Solution

The third proportional to 3,958 and 9,164 is: 21,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958 : 9,164 = 9,164 : x
  2. Step 2: Convert to fraction form
    3,958/9,164 = 9,164/x
  3. Step 3: Cross multiply
    3,958x = 9,164 × 9,164
  4. Step 4: Simplify right side
    3,958x = 83,978,896
  5. Step 5: Solve for x
    x = 83,978,896/3,958
  6. Step 6: Final answer
    x = 21,217.51

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.