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Finding the Third Proportional to 263,907 and 622,359

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Solution

The third proportional to 263,907 and 622,359 is: 1,467,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,907 : 622,359 = 622,359 : x
  2. Step 2: Convert to fraction form
    263,907/622,359 = 622,359/x
  3. Step 3: Cross multiply
    263,907x = 622,359 × 622,359
  4. Step 4: Simplify right side
    263,907x = 387,330,724,881
  5. Step 5: Solve for x
    x = 387,330,724,881/263,907
  6. Step 6: Final answer
    x = 1,467,678.86

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.