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Finding the Third Proportional to 247,108 and 335,616

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Solution

The third proportional to 247,108 and 335,616 is: 455,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,108 : 335,616 = 335,616 : x
  2. Step 2: Convert to fraction form
    247,108/335,616 = 335,616/x
  3. Step 3: Cross multiply
    247,108x = 335,616 × 335,616
  4. Step 4: Simplify right side
    247,108x = 112,638,099,456
  5. Step 5: Solve for x
    x = 112,638,099,456/247,108
  6. Step 6: Final answer
    x = 455,825.39

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.