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Finding the Third Proportional to 3,764 and 4,538

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Solution

The third proportional to 3,764 and 4,538 is: 5,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764 : 4,538 = 4,538 : x
  2. Step 2: Convert to fraction form
    3,764/4,538 = 4,538/x
  3. Step 3: Cross multiply
    3,764x = 4,538 × 4,538
  4. Step 4: Simplify right side
    3,764x = 20,593,444
  5. Step 5: Solve for x
    x = 20,593,444/3,764
  6. Step 6: Final answer
    x = 5,471.16

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.