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Finding the Third Proportional to 3,198 and 6,444

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Solution

The third proportional to 3,198 and 6,444 is: 12,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198 : 6,444 = 6,444 : x
  2. Step 2: Convert to fraction form
    3,198/6,444 = 6,444/x
  3. Step 3: Cross multiply
    3,198x = 6,444 × 6,444
  4. Step 4: Simplify right side
    3,198x = 41,525,136
  5. Step 5: Solve for x
    x = 41,525,136/3,198
  6. Step 6: Final answer
    x = 12,984.72

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.