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Finding the Third Proportional to 21,843 and 33,576

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Solution

The third proportional to 21,843 and 33,576 is: 51,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843 : 33,576 = 33,576 : x
  2. Step 2: Convert to fraction form
    21,843/33,576 = 33,576/x
  3. Step 3: Cross multiply
    21,843x = 33,576 × 33,576
  4. Step 4: Simplify right side
    21,843x = 1,127,347,776
  5. Step 5: Solve for x
    x = 1,127,347,776/21,843
  6. Step 6: Final answer
    x = 51,611.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.