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Finding the Third Proportional to 6,619 and 13,661

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Solution

The third proportional to 6,619 and 13,661 is: 28,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619 : 13,661 = 13,661 : x
  2. Step 2: Convert to fraction form
    6,619/13,661 = 13,661/x
  3. Step 3: Cross multiply
    6,619x = 13,661 × 13,661
  4. Step 4: Simplify right side
    6,619x = 186,622,921
  5. Step 5: Solve for x
    x = 186,622,921/6,619
  6. Step 6: Final answer
    x = 28,195.03

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.