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Finding the Third Proportional to 2,912.50 and 3,367

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Solution

The third proportional to 2,912.50 and 3,367 is: 3,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.50 : 3,367 = 3,367 : x
  2. Step 2: Convert to fraction form
    2,912.50/3,367 = 3,367/x
  3. Step 3: Cross multiply
    2,912.50x = 3,367 × 3,367
  4. Step 4: Simplify right side
    2,912.50x = 11,336,689
  5. Step 5: Solve for x
    x = 11,336,689/2,912.50
  6. Step 6: Final answer
    x = 3,892.43

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.