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Finding the Third Proportional to 19,726 and 36,727

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Solution

The third proportional to 19,726 and 36,727 is: 68,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726 : 36,727 = 36,727 : x
  2. Step 2: Convert to fraction form
    19,726/36,727 = 36,727/x
  3. Step 3: Cross multiply
    19,726x = 36,727 × 36,727
  4. Step 4: Simplify right side
    19,726x = 1,348,872,529
  5. Step 5: Solve for x
    x = 1,348,872,529/19,726
  6. Step 6: Final answer
    x = 68,380.44

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.