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Finding the Third Proportional to 667,345.50 and 1,439,671.50

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Solution

The third proportional to 667,345.50 and 1,439,671.50 is: 3,105,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,345.50 : 1,439,671.50 = 1,439,671.50 : x
  2. Step 2: Convert to fraction form
    667,345.50/1,439,671.50 = 1,439,671.50/x
  3. Step 3: Cross multiply
    667,345.50x = 1,439,671.50 × 1,439,671.50
  4. Step 4: Simplify right side
    667,345.50x = 2,072,654,027,912.25
  5. Step 5: Solve for x
    x = 2,072,654,027,912.25/667,345.50
  6. Step 6: Final answer
    x = 3,105,818.54

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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.