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Finding the Third Proportional to 19,817 and 41,269

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Solution

The third proportional to 19,817 and 41,269 is: 85,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817 : 41,269 = 41,269 : x
  2. Step 2: Convert to fraction form
    19,817/41,269 = 41,269/x
  3. Step 3: Cross multiply
    19,817x = 41,269 × 41,269
  4. Step 4: Simplify right side
    19,817x = 1,703,130,361
  5. Step 5: Solve for x
    x = 1,703,130,361/19,817
  6. Step 6: Final answer
    x = 85,942.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.