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Finding the Third Proportional to 299,255.25 and 656,650.50

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Solution

The third proportional to 299,255.25 and 656,650.50 is: 1,440,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,255.25 : 656,650.50 = 656,650.50 : x
  2. Step 2: Convert to fraction form
    299,255.25/656,650.50 = 656,650.50/x
  3. Step 3: Cross multiply
    299,255.25x = 656,650.50 × 656,650.50
  4. Step 4: Simplify right side
    299,255.25x = 431,189,879,150.25
  5. Step 5: Solve for x
    x = 431,189,879,150.25/299,255.25
  6. Step 6: Final answer
    x = 1,440,876.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.