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Finding the Third Proportional to 3,661 and 5,354

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Solution

The third proportional to 3,661 and 5,354 is: 7,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661 : 5,354 = 5,354 : x
  2. Step 2: Convert to fraction form
    3,661/5,354 = 5,354/x
  3. Step 3: Cross multiply
    3,661x = 5,354 × 5,354
  4. Step 4: Simplify right side
    3,661x = 28,665,316
  5. Step 5: Solve for x
    x = 28,665,316/3,661
  6. Step 6: Final answer
    x = 7,829.91

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.