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Finding the Third Proportional to 203,431 and 295,912

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Solution

The third proportional to 203,431 and 295,912 is: 430,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,431 : 295,912 = 295,912 : x
  2. Step 2: Convert to fraction form
    203,431/295,912 = 295,912/x
  3. Step 3: Cross multiply
    203,431x = 295,912 × 295,912
  4. Step 4: Simplify right side
    203,431x = 87,563,911,744
  5. Step 5: Solve for x
    x = 87,563,911,744/203,431
  6. Step 6: Final answer
    x = 430,435.44

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.