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Finding the Third Proportional to 433,674 and 667,419.75

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Solution

The third proportional to 433,674 and 667,419.75 is: 1,027,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,674 : 667,419.75 = 667,419.75 : x
  2. Step 2: Convert to fraction form
    433,674/667,419.75 = 667,419.75/x
  3. Step 3: Cross multiply
    433,674x = 667,419.75 × 667,419.75
  4. Step 4: Simplify right side
    433,674x = 445,449,122,690.06
  5. Step 5: Solve for x
    x = 445,449,122,690.06/433,674
  6. Step 6: Final answer
    x = 1,027,152.01

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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.