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Finding the Third Proportional to 21,204 and 33,750

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Solution

The third proportional to 21,204 and 33,750 is: 53,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204 : 33,750 = 33,750 : x
  2. Step 2: Convert to fraction form
    21,204/33,750 = 33,750/x
  3. Step 3: Cross multiply
    21,204x = 33,750 × 33,750
  4. Step 4: Simplify right side
    21,204x = 1,139,062,500
  5. Step 5: Solve for x
    x = 1,139,062,500/21,204
  6. Step 6: Final answer
    x = 53,719.23

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.