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Finding the Third Proportional to 2,188 and 3,269

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Solution

The third proportional to 2,188 and 3,269 is: 4,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188 : 3,269 = 3,269 : x
  2. Step 2: Convert to fraction form
    2,188/3,269 = 3,269/x
  3. Step 3: Cross multiply
    2,188x = 3,269 × 3,269
  4. Step 4: Simplify right side
    2,188x = 10,686,361
  5. Step 5: Solve for x
    x = 10,686,361/2,188
  6. Step 6: Final answer
    x = 4,884.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.