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Finding the Third Proportional to 2,828 and 6,827

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Solution

The third proportional to 2,828 and 6,827 is: 16,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828 : 6,827 = 6,827 : x
  2. Step 2: Convert to fraction form
    2,828/6,827 = 6,827/x
  3. Step 3: Cross multiply
    2,828x = 6,827 × 6,827
  4. Step 4: Simplify right side
    2,828x = 46,607,929
  5. Step 5: Solve for x
    x = 46,607,929/2,828
  6. Step 6: Final answer
    x = 16,480.88

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.