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Finding the Third Proportional to 263,979 and 622,516.50

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Solution

The third proportional to 263,979 and 622,516.50 is: 1,468,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,979 : 622,516.50 = 622,516.50 : x
  2. Step 2: Convert to fraction form
    263,979/622,516.50 = 622,516.50/x
  3. Step 3: Cross multiply
    263,979x = 622,516.50 × 622,516.50
  4. Step 4: Simplify right side
    263,979x = 387,526,792,772.25
  5. Step 5: Solve for x
    x = 387,526,792,772.25/263,979
  6. Step 6: Final answer
    x = 1,468,021.29

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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.