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Finding the Third Proportional to 208,906.50 and 313,823.25

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Solution

The third proportional to 208,906.50 and 313,823.25 is: 471,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,906.50 : 313,823.25 = 313,823.25 : x
  2. Step 2: Convert to fraction form
    208,906.50/313,823.25 = 313,823.25/x
  3. Step 3: Cross multiply
    208,906.50x = 313,823.25 × 313,823.25
  4. Step 4: Simplify right side
    208,906.50x = 98,485,032,240.56
  5. Step 5: Solve for x
    x = 98,485,032,240.56/208,906.50
  6. Step 6: Final answer
    x = 471,431.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.