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Finding the Third Proportional to 433,840.50 and 667,255.50

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Solution

The third proportional to 433,840.50 and 667,255.50 is: 1,026,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,840.50 : 667,255.50 = 667,255.50 : x
  2. Step 2: Convert to fraction form
    433,840.50/667,255.50 = 667,255.50/x
  3. Step 3: Cross multiply
    433,840.50x = 667,255.50 × 667,255.50
  4. Step 4: Simplify right side
    433,840.50x = 445,229,902,280.25
  5. Step 5: Solve for x
    x = 445,229,902,280.25/433,840.50
  6. Step 6: Final answer
    x = 1,026,252.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.