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Finding the Third Proportional to 859,453.50 and 1,821,360.75

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Solution

The third proportional to 859,453.50 and 1,821,360.75 is: 3,859,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,453.50 : 1,821,360.75 = 1,821,360.75 : x
  2. Step 2: Convert to fraction form
    859,453.50/1,821,360.75 = 1,821,360.75/x
  3. Step 3: Cross multiply
    859,453.50x = 1,821,360.75 × 1,821,360.75
  4. Step 4: Simplify right side
    859,453.50x = 3,317,354,981,640.56
  5. Step 5: Solve for x
    x = 3,317,354,981,640.56/859,453.50
  6. Step 6: Final answer
    x = 3,859,842.31

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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.