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Finding the Third Proportional to 3,777 and 5,538

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Solution

The third proportional to 3,777 and 5,538 is: 8,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777 : 5,538 = 5,538 : x
  2. Step 2: Convert to fraction form
    3,777/5,538 = 5,538/x
  3. Step 3: Cross multiply
    3,777x = 5,538 × 5,538
  4. Step 4: Simplify right side
    3,777x = 30,669,444
  5. Step 5: Solve for x
    x = 30,669,444/3,777
  6. Step 6: Final answer
    x = 8,120.05

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.