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Finding the Third Proportional to 2,040 and 3,281

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Solution

The third proportional to 2,040 and 3,281 is: 5,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040 : 3,281 = 3,281 : x
  2. Step 2: Convert to fraction form
    2,040/3,281 = 3,281/x
  3. Step 3: Cross multiply
    2,040x = 3,281 × 3,281
  4. Step 4: Simplify right side
    2,040x = 10,764,961
  5. Step 5: Solve for x
    x = 10,764,961/2,040
  6. Step 6: Final answer
    x = 5,276.94

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.