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Finding the Third Proportional to 4,228 and 11,002

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Solution

The third proportional to 4,228 and 11,002 is: 28,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228 : 11,002 = 11,002 : x
  2. Step 2: Convert to fraction form
    4,228/11,002 = 11,002/x
  3. Step 3: Cross multiply
    4,228x = 11,002 × 11,002
  4. Step 4: Simplify right side
    4,228x = 121,044,004
  5. Step 5: Solve for x
    x = 121,044,004/4,228
  6. Step 6: Final answer
    x = 28,629.14

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.