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Finding the Third Proportional to 19,158 and 27,993

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Solution

The third proportional to 19,158 and 27,993 is: 40,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158 : 27,993 = 27,993 : x
  2. Step 2: Convert to fraction form
    19,158/27,993 = 27,993/x
  3. Step 3: Cross multiply
    19,158x = 27,993 × 27,993
  4. Step 4: Simplify right side
    19,158x = 783,608,049
  5. Step 5: Solve for x
    x = 783,608,049/19,158
  6. Step 6: Final answer
    x = 40,902.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.