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Finding the Third Proportional to 18,936 and 25,992

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Solution

The third proportional to 18,936 and 25,992 is: 35,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936 : 25,992 = 25,992 : x
  2. Step 2: Convert to fraction form
    18,936/25,992 = 25,992/x
  3. Step 3: Cross multiply
    18,936x = 25,992 × 25,992
  4. Step 4: Simplify right side
    18,936x = 675,584,064
  5. Step 5: Solve for x
    x = 675,584,064/18,936
  6. Step 6: Final answer
    x = 35,677.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.