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Finding the Third Proportional to 20,194 and 36,391

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Solution

The third proportional to 20,194 and 36,391 is: 65,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194 : 36,391 = 36,391 : x
  2. Step 2: Convert to fraction form
    20,194/36,391 = 36,391/x
  3. Step 3: Cross multiply
    20,194x = 36,391 × 36,391
  4. Step 4: Simplify right side
    20,194x = 1,324,304,881
  5. Step 5: Solve for x
    x = 1,324,304,881/20,194
  6. Step 6: Final answer
    x = 65,579.13

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.