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Finding the Third Proportional to 20,137 and 22,203

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Solution

The third proportional to 20,137 and 22,203 is: 24,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137 : 22,203 = 22,203 : x
  2. Step 2: Convert to fraction form
    20,137/22,203 = 22,203/x
  3. Step 3: Cross multiply
    20,137x = 22,203 × 22,203
  4. Step 4: Simplify right side
    20,137x = 492,973,209
  5. Step 5: Solve for x
    x = 492,973,209/20,137
  6. Step 6: Final answer
    x = 24,480.97

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.