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Finding the Third Proportional to 6,198 and 13,620

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Solution

The third proportional to 6,198 and 13,620 is: 29,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198 : 13,620 = 13,620 : x
  2. Step 2: Convert to fraction form
    6,198/13,620 = 13,620/x
  3. Step 3: Cross multiply
    6,198x = 13,620 × 13,620
  4. Step 4: Simplify right side
    6,198x = 185,504,400
  5. Step 5: Solve for x
    x = 185,504,400/6,198
  6. Step 6: Final answer
    x = 29,929.72

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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.