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Finding the Third Proportional to 18,219 and 27,456

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Solution

The third proportional to 18,219 and 27,456 is: 41,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219 : 27,456 = 27,456 : x
  2. Step 2: Convert to fraction form
    18,219/27,456 = 27,456/x
  3. Step 3: Cross multiply
    18,219x = 27,456 × 27,456
  4. Step 4: Simplify right side
    18,219x = 753,831,936
  5. Step 5: Solve for x
    x = 753,831,936/18,219
  6. Step 6: Final answer
    x = 41,376.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.