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Finding the Third Proportional to 2,938 and 6,338

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Solution

The third proportional to 2,938 and 6,338 is: 13,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938 : 6,338 = 6,338 : x
  2. Step 2: Convert to fraction form
    2,938/6,338 = 6,338/x
  3. Step 3: Cross multiply
    2,938x = 6,338 × 6,338
  4. Step 4: Simplify right side
    2,938x = 40,170,244
  5. Step 5: Solve for x
    x = 40,170,244/2,938
  6. Step 6: Final answer
    x = 13,672.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.