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Finding the Third Proportional to 2,938 and 5,244

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Solution

The third proportional to 2,938 and 5,244 is: 9,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938 : 5,244 = 5,244 : x
  2. Step 2: Convert to fraction form
    2,938/5,244 = 5,244/x
  3. Step 3: Cross multiply
    2,938x = 5,244 × 5,244
  4. Step 4: Simplify right side
    2,938x = 27,499,536
  5. Step 5: Solve for x
    x = 27,499,536/2,938
  6. Step 6: Final answer
    x = 9,359.95

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.