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Finding the Third Proportional to 202,874 and 433,890

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Solution

The third proportional to 202,874 and 433,890 is: 927,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,874 : 433,890 = 433,890 : x
  2. Step 2: Convert to fraction form
    202,874/433,890 = 433,890/x
  3. Step 3: Cross multiply
    202,874x = 433,890 × 433,890
  4. Step 4: Simplify right side
    202,874x = 188,260,532,100
  5. Step 5: Solve for x
    x = 188,260,532,100/202,874
  6. Step 6: Final answer
    x = 927,967.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.