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Finding the Third Proportional to 1,394,977.50 and 1,974,435.75

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Solution

The third proportional to 1,394,977.50 and 1,974,435.75 is: 2,794,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,977.50 : 1,974,435.75 = 1,974,435.75 : x
  2. Step 2: Convert to fraction form
    1,394,977.50/1,974,435.75 = 1,974,435.75/x
  3. Step 3: Cross multiply
    1,394,977.50x = 1,974,435.75 × 1,974,435.75
  4. Step 4: Simplify right side
    1,394,977.50x = 3,898,396,530,878.06
  5. Step 5: Solve for x
    x = 3,898,396,530,878.06/1,394,977.50
  6. Step 6: Final answer
    x = 2,794,594.56

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.