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Finding the Third Proportional to 4,821 and 10,698

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Solution

The third proportional to 4,821 and 10,698 is: 23,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821 : 10,698 = 10,698 : x
  2. Step 2: Convert to fraction form
    4,821/10,698 = 10,698/x
  3. Step 3: Cross multiply
    4,821x = 10,698 × 10,698
  4. Step 4: Simplify right side
    4,821x = 114,447,204
  5. Step 5: Solve for x
    x = 114,447,204/4,821
  6. Step 6: Final answer
    x = 23,739.31

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.