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Finding the Third Proportional to 621,849.66 and 1,318,429.41

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Solution

The third proportional to 621,849.66 and 1,318,429.41 is: 2,795,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,849.66 : 1,318,429.41 = 1,318,429.41 : x
  2. Step 2: Convert to fraction form
    621,849.66/1,318,429.41 = 1,318,429.41/x
  3. Step 3: Cross multiply
    621,849.66x = 1,318,429.41 × 1,318,429.41
  4. Step 4: Simplify right side
    621,849.66x = 1,738,256,099,264.73
  5. Step 5: Solve for x
    x = 1,738,256,099,264.73/621,849.66
  6. Step 6: Final answer
    x = 2,795,299.61

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.