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Finding the Third Proportional to 4,568 and 9,993

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Solution

The third proportional to 4,568 and 9,993 is: 21,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,568 : 9,993 = 9,993 : x
  2. Step 2: Convert to fraction form
    4,568/9,993 = 9,993/x
  3. Step 3: Cross multiply
    4,568x = 9,993 × 9,993
  4. Step 4: Simplify right side
    4,568x = 99,860,049
  5. Step 5: Solve for x
    x = 99,860,049/4,568
  6. Step 6: Final answer
    x = 21,860.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.