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Finding the Third Proportional to 9,850 and 21,163

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Solution

The third proportional to 9,850 and 21,163 is: 45,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850 : 21,163 = 21,163 : x
  2. Step 2: Convert to fraction form
    9,850/21,163 = 21,163/x
  3. Step 3: Cross multiply
    9,850x = 21,163 × 21,163
  4. Step 4: Simplify right side
    9,850x = 447,872,569
  5. Step 5: Solve for x
    x = 447,872,569/9,850
  6. Step 6: Final answer
    x = 45,469.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.