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Finding the Third Proportional to 204,512 and 427,815

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Solution

The third proportional to 204,512 and 427,815 is: 894,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,512 : 427,815 = 427,815 : x
  2. Step 2: Convert to fraction form
    204,512/427,815 = 427,815/x
  3. Step 3: Cross multiply
    204,512x = 427,815 × 427,815
  4. Step 4: Simplify right side
    204,512x = 183,025,674,225
  5. Step 5: Solve for x
    x = 183,025,674,225/204,512
  6. Step 6: Final answer
    x = 894,938.56

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.