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Finding the Third Proportional to 33,868 and 51,476

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Solution

The third proportional to 33,868 and 51,476 is: 78,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,868 : 51,476 = 51,476 : x
  2. Step 2: Convert to fraction form
    33,868/51,476 = 51,476/x
  3. Step 3: Cross multiply
    33,868x = 51,476 × 51,476
  4. Step 4: Simplify right side
    33,868x = 2,649,778,576
  5. Step 5: Solve for x
    x = 2,649,778,576/33,868
  6. Step 6: Final answer
    x = 78,238.41

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.