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Finding the Third Proportional to 667,339.25 and 1,439,654.50

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Solution

The third proportional to 667,339.25 and 1,439,654.50 is: 3,105,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,339.25 : 1,439,654.50 = 1,439,654.50 : x
  2. Step 2: Convert to fraction form
    667,339.25/1,439,654.50 = 1,439,654.50/x
  3. Step 3: Cross multiply
    667,339.25x = 1,439,654.50 × 1,439,654.50
  4. Step 4: Simplify right side
    667,339.25x = 2,072,605,079,370.25
  5. Step 5: Solve for x
    x = 2,072,605,079,370.25/667,339.25
  6. Step 6: Final answer
    x = 3,105,774.28

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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.