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Finding the Third Proportional to 3,969 and 6,282

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Solution

The third proportional to 3,969 and 6,282 is: 9,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969 : 6,282 = 6,282 : x
  2. Step 2: Convert to fraction form
    3,969/6,282 = 6,282/x
  3. Step 3: Cross multiply
    3,969x = 6,282 × 6,282
  4. Step 4: Simplify right side
    3,969x = 39,463,524
  5. Step 5: Solve for x
    x = 39,463,524/3,969
  6. Step 6: Final answer
    x = 9,942.94

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.