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Finding the Third Proportional to 3,661 and 4,453

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Solution

The third proportional to 3,661 and 4,453 is: 5,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661 : 4,453 = 4,453 : x
  2. Step 2: Convert to fraction form
    3,661/4,453 = 4,453/x
  3. Step 3: Cross multiply
    3,661x = 4,453 × 4,453
  4. Step 4: Simplify right side
    3,661x = 19,829,209
  5. Step 5: Solve for x
    x = 19,829,209/3,661
  6. Step 6: Final answer
    x = 5,416.34

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.