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Finding the Third Proportional to 19,269 and 40,995

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Solution

The third proportional to 19,269 and 40,995 is: 87,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269 : 40,995 = 40,995 : x
  2. Step 2: Convert to fraction form
    19,269/40,995 = 40,995/x
  3. Step 3: Cross multiply
    19,269x = 40,995 × 40,995
  4. Step 4: Simplify right side
    19,269x = 1,680,590,025
  5. Step 5: Solve for x
    x = 1,680,590,025/19,269
  6. Step 6: Final answer
    x = 87,217.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.