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Finding the Third Proportional to 2,828 and 6,230

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Solution

The third proportional to 2,828 and 6,230 is: 13,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828 : 6,230 = 6,230 : x
  2. Step 2: Convert to fraction form
    2,828/6,230 = 6,230/x
  3. Step 3: Cross multiply
    2,828x = 6,230 × 6,230
  4. Step 4: Simplify right side
    2,828x = 38,812,900
  5. Step 5: Solve for x
    x = 38,812,900/2,828
  6. Step 6: Final answer
    x = 13,724.50

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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.