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Finding the Third Proportional to 41,609 and 90,622

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Solution

The third proportional to 41,609 and 90,622 is: 197,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,609 : 90,622 = 90,622 : x
  2. Step 2: Convert to fraction form
    41,609/90,622 = 90,622/x
  3. Step 3: Cross multiply
    41,609x = 90,622 × 90,622
  4. Step 4: Simplify right side
    41,609x = 8,212,346,884
  5. Step 5: Solve for x
    x = 8,212,346,884/41,609
  6. Step 6: Final answer
    x = 197,369.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.