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Finding the Third Proportional to 667,327.50 and 1,439,631

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Solution

The third proportional to 667,327.50 and 1,439,631 is: 3,105,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,327.50 : 1,439,631 = 1,439,631 : x
  2. Step 2: Convert to fraction form
    667,327.50/1,439,631 = 1,439,631/x
  3. Step 3: Cross multiply
    667,327.50x = 1,439,631 × 1,439,631
  4. Step 4: Simplify right side
    667,327.50x = 2,072,537,416,161
  5. Step 5: Solve for x
    x = 2,072,537,416,161/667,327.50
  6. Step 6: Final answer
    x = 3,105,727.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.