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Finding the Third Proportional to 3,988 and 6,253

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Solution

The third proportional to 3,988 and 6,253 is: 9,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988 : 6,253 = 6,253 : x
  2. Step 2: Convert to fraction form
    3,988/6,253 = 6,253/x
  3. Step 3: Cross multiply
    3,988x = 6,253 × 6,253
  4. Step 4: Simplify right side
    3,988x = 39,100,009
  5. Step 5: Solve for x
    x = 39,100,009/3,988
  6. Step 6: Final answer
    x = 9,804.42

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.