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Finding the Third Proportional to 1,614 and 3,554

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Solution

The third proportional to 1,614 and 3,554 is: 7,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614 : 3,554 = 3,554 : x
  2. Step 2: Convert to fraction form
    1,614/3,554 = 3,554/x
  3. Step 3: Cross multiply
    1,614x = 3,554 × 3,554
  4. Step 4: Simplify right side
    1,614x = 12,630,916
  5. Step 5: Solve for x
    x = 12,630,916/1,614
  6. Step 6: Final answer
    x = 7,825.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.