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Finding the Third Proportional to 203,884 and 479,745

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Solution

The third proportional to 203,884 and 479,745 is: 1,128,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,884 : 479,745 = 479,745 : x
  2. Step 2: Convert to fraction form
    203,884/479,745 = 479,745/x
  3. Step 3: Cross multiply
    203,884x = 479,745 × 479,745
  4. Step 4: Simplify right side
    203,884x = 230,155,265,025
  5. Step 5: Solve for x
    x = 230,155,265,025/203,884
  6. Step 6: Final answer
    x = 1,128,853.98

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.