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Finding the Third Proportional to 203,148 and 437,515

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Solution

The third proportional to 203,148 and 437,515 is: 942,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,148 : 437,515 = 437,515 : x
  2. Step 2: Convert to fraction form
    203,148/437,515 = 437,515/x
  3. Step 3: Cross multiply
    203,148x = 437,515 × 437,515
  4. Step 4: Simplify right side
    203,148x = 191,419,375,225
  5. Step 5: Solve for x
    x = 191,419,375,225/203,148
  6. Step 6: Final answer
    x = 942,265.62

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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.