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Finding the Third Proportional to 202,867 and 440,726

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Solution

The third proportional to 202,867 and 440,726 is: 957,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,867 : 440,726 = 440,726 : x
  2. Step 2: Convert to fraction form
    202,867/440,726 = 440,726/x
  3. Step 3: Cross multiply
    202,867x = 440,726 × 440,726
  4. Step 4: Simplify right side
    202,867x = 194,239,407,076
  5. Step 5: Solve for x
    x = 194,239,407,076/202,867
  6. Step 6: Final answer
    x = 957,471.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.