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Finding the Third Proportional to 3,736 and 5,515

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Solution

The third proportional to 3,736 and 5,515 is: 8,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736 : 5,515 = 5,515 : x
  2. Step 2: Convert to fraction form
    3,736/5,515 = 5,515/x
  3. Step 3: Cross multiply
    3,736x = 5,515 × 5,515
  4. Step 4: Simplify right side
    3,736x = 30,415,225
  5. Step 5: Solve for x
    x = 30,415,225/3,736
  6. Step 6: Final answer
    x = 8,141.12

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.