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Finding the Third Proportional to 382,068 and 820,512

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Solution

The third proportional to 382,068 and 820,512 is: 1,762,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,068 : 820,512 = 820,512 : x
  2. Step 2: Convert to fraction form
    382,068/820,512 = 820,512/x
  3. Step 3: Cross multiply
    382,068x = 820,512 × 820,512
  4. Step 4: Simplify right side
    382,068x = 673,239,942,144
  5. Step 5: Solve for x
    x = 673,239,942,144/382,068
  6. Step 6: Final answer
    x = 1,762,094.55

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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.