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Finding the Third Proportional to 4,808 and 10,198

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Solution

The third proportional to 4,808 and 10,198 is: 21,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808 : 10,198 = 10,198 : x
  2. Step 2: Convert to fraction form
    4,808/10,198 = 10,198/x
  3. Step 3: Cross multiply
    4,808x = 10,198 × 10,198
  4. Step 4: Simplify right side
    4,808x = 103,999,204
  5. Step 5: Solve for x
    x = 103,999,204/4,808
  6. Step 6: Final answer
    x = 21,630.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.