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Finding the Third Proportional to 217,759.50 and 455,469.50

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Solution

The third proportional to 217,759.50 and 455,469.50 is: 952,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,759.50 : 455,469.50 = 455,469.50 : x
  2. Step 2: Convert to fraction form
    217,759.50/455,469.50 = 455,469.50/x
  3. Step 3: Cross multiply
    217,759.50x = 455,469.50 × 455,469.50
  4. Step 4: Simplify right side
    217,759.50x = 207,452,465,430.25
  5. Step 5: Solve for x
    x = 207,452,465,430.25/217,759.50
  6. Step 6: Final answer
    x = 952,667.81

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.