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Finding the Third Proportional to 3,850 and 5,453

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Solution

The third proportional to 3,850 and 5,453 is: 7,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850 : 5,453 = 5,453 : x
  2. Step 2: Convert to fraction form
    3,850/5,453 = 5,453/x
  3. Step 3: Cross multiply
    3,850x = 5,453 × 5,453
  4. Step 4: Simplify right side
    3,850x = 29,735,209
  5. Step 5: Solve for x
    x = 29,735,209/3,850
  6. Step 6: Final answer
    x = 7,723.43

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.