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Finding the Third Proportional to 2,230 and 3,983

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Solution

The third proportional to 2,230 and 3,983 is: 7,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230 : 3,983 = 3,983 : x
  2. Step 2: Convert to fraction form
    2,230/3,983 = 3,983/x
  3. Step 3: Cross multiply
    2,230x = 3,983 × 3,983
  4. Step 4: Simplify right side
    2,230x = 15,864,289
  5. Step 5: Solve for x
    x = 15,864,289/2,230
  6. Step 6: Final answer
    x = 7,114.03

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.