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Finding the Third Proportional to 3,367 and 3,985

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Solution

The third proportional to 3,367 and 3,985 is: 4,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367 : 3,985 = 3,985 : x
  2. Step 2: Convert to fraction form
    3,367/3,985 = 3,985/x
  3. Step 3: Cross multiply
    3,367x = 3,985 × 3,985
  4. Step 4: Simplify right side
    3,367x = 15,880,225
  5. Step 5: Solve for x
    x = 15,880,225/3,367
  6. Step 6: Final answer
    x = 4,716.43

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.