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Finding the Third Proportional to 1,328 and 3,244

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Solution

The third proportional to 1,328 and 3,244 is: 7,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328 : 3,244 = 3,244 : x
  2. Step 2: Convert to fraction form
    1,328/3,244 = 3,244/x
  3. Step 3: Cross multiply
    1,328x = 3,244 × 3,244
  4. Step 4: Simplify right side
    1,328x = 10,523,536
  5. Step 5: Solve for x
    x = 10,523,536/1,328
  6. Step 6: Final answer
    x = 7,924.35

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Why These Related Problems?

These problems maintain the same ratio (2.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.