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Finding the Third Proportional to 3,270 and 3,754

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Solution

The third proportional to 3,270 and 3,754 is: 4,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270 : 3,754 = 3,754 : x
  2. Step 2: Convert to fraction form
    3,270/3,754 = 3,754/x
  3. Step 3: Cross multiply
    3,270x = 3,754 × 3,754
  4. Step 4: Simplify right side
    3,270x = 14,092,516
  5. Step 5: Solve for x
    x = 14,092,516/3,270
  6. Step 6: Final answer
    x = 4,309.64

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.