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Finding the Third Proportional to 20,133 and 40,806

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Solution

The third proportional to 20,133 and 40,806 is: 82,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133 : 40,806 = 40,806 : x
  2. Step 2: Convert to fraction form
    20,133/40,806 = 40,806/x
  3. Step 3: Cross multiply
    20,133x = 40,806 × 40,806
  4. Step 4: Simplify right side
    20,133x = 1,665,129,636
  5. Step 5: Solve for x
    x = 1,665,129,636/20,133
  6. Step 6: Final answer
    x = 82,706.48

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.