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Finding the Third Proportional to 3,486.75 and 7,551

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Solution

The third proportional to 3,486.75 and 7,551 is: 16,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.75 : 7,551 = 7,551 : x
  2. Step 2: Convert to fraction form
    3,486.75/7,551 = 7,551/x
  3. Step 3: Cross multiply
    3,486.75x = 7,551 × 7,551
  4. Step 4: Simplify right side
    3,486.75x = 57,017,601
  5. Step 5: Solve for x
    x = 57,017,601/3,486.75
  6. Step 6: Final answer
    x = 16,352.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.