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Finding the Third Proportional to 825,763.50 and 1,813,911.75

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Solution

The third proportional to 825,763.50 and 1,813,911.75 is: 3,984,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,763.50 : 1,813,911.75 = 1,813,911.75 : x
  2. Step 2: Convert to fraction form
    825,763.50/1,813,911.75 = 1,813,911.75/x
  3. Step 3: Cross multiply
    825,763.50x = 1,813,911.75 × 1,813,911.75
  4. Step 4: Simplify right side
    825,763.50x = 3,290,275,836,788.06
  5. Step 5: Solve for x
    x = 3,290,275,836,788.06/825,763.50
  6. Step 6: Final answer
    x = 3,984,525.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.