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Finding the Third Proportional to 424,039 and 914,508

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Solution

The third proportional to 424,039 and 914,508 is: 1,972,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,039 : 914,508 = 914,508 : x
  2. Step 2: Convert to fraction form
    424,039/914,508 = 914,508/x
  3. Step 3: Cross multiply
    424,039x = 914,508 × 914,508
  4. Step 4: Simplify right side
    424,039x = 836,324,882,064
  5. Step 5: Solve for x
    x = 836,324,882,064/424,039
  6. Step 6: Final answer
    x = 1,972,282.93

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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.