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Finding the Third Proportional to 8,100 and 11,832

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Solution

The third proportional to 8,100 and 11,832 is: 17,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100 : 11,832 = 11,832 : x
  2. Step 2: Convert to fraction form
    8,100/11,832 = 11,832/x
  3. Step 3: Cross multiply
    8,100x = 11,832 × 11,832
  4. Step 4: Simplify right side
    8,100x = 139,996,224
  5. Step 5: Solve for x
    x = 139,996,224/8,100
  6. Step 6: Final answer
    x = 17,283.48

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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.