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Finding the Third Proportional to 3,898 and 4,462

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Solution

The third proportional to 3,898 and 4,462 is: 5,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898 : 4,462 = 4,462 : x
  2. Step 2: Convert to fraction form
    3,898/4,462 = 4,462/x
  3. Step 3: Cross multiply
    3,898x = 4,462 × 4,462
  4. Step 4: Simplify right side
    3,898x = 19,909,444
  5. Step 5: Solve for x
    x = 19,909,444/3,898
  6. Step 6: Final answer
    x = 5,107.60

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.