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Finding the Third Proportional to 203,137 and 437,489.50

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Solution

The third proportional to 203,137 and 437,489.50 is: 942,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,137 : 437,489.50 = 437,489.50 : x
  2. Step 2: Convert to fraction form
    203,137/437,489.50 = 437,489.50/x
  3. Step 3: Cross multiply
    203,137x = 437,489.50 × 437,489.50
  4. Step 4: Simplify right side
    203,137x = 191,397,062,610.25
  5. Step 5: Solve for x
    x = 191,397,062,610.25/203,137
  6. Step 6: Final answer
    x = 942,206.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.