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Finding the Third Proportional to 4,216 and 8,568

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Solution

The third proportional to 4,216 and 8,568 is: 17,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216 : 8,568 = 8,568 : x
  2. Step 2: Convert to fraction form
    4,216/8,568 = 8,568/x
  3. Step 3: Cross multiply
    4,216x = 8,568 × 8,568
  4. Step 4: Simplify right side
    4,216x = 73,410,624
  5. Step 5: Solve for x
    x = 73,410,624/4,216
  6. Step 6: Final answer
    x = 17,412.39

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.