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Finding the Third Proportional to 18,698 and 41,190

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Solution

The third proportional to 18,698 and 41,190 is: 90,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698 : 41,190 = 41,190 : x
  2. Step 2: Convert to fraction form
    18,698/41,190 = 41,190/x
  3. Step 3: Cross multiply
    18,698x = 41,190 × 41,190
  4. Step 4: Simplify right side
    18,698x = 1,696,616,100
  5. Step 5: Solve for x
    x = 1,696,616,100/18,698
  6. Step 6: Final answer
    x = 90,737.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.