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Finding the Third Proportional to 424,227 and 914,874

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Solution

The third proportional to 424,227 and 914,874 is: 1,972,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,227 : 914,874 = 914,874 : x
  2. Step 2: Convert to fraction form
    424,227/914,874 = 914,874/x
  3. Step 3: Cross multiply
    424,227x = 914,874 × 914,874
  4. Step 4: Simplify right side
    424,227x = 836,994,435,876
  5. Step 5: Solve for x
    x = 836,994,435,876/424,227
  6. Step 6: Final answer
    x = 1,972,987.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.