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Finding the Third Proportional to 821,081.75 and 1,763,533.50

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Solution

The third proportional to 821,081.75 and 1,763,533.50 is: 3,787,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,081.75 : 1,763,533.50 = 1,763,533.50 : x
  2. Step 2: Convert to fraction form
    821,081.75/1,763,533.50 = 1,763,533.50/x
  3. Step 3: Cross multiply
    821,081.75x = 1,763,533.50 × 1,763,533.50
  4. Step 4: Simplify right side
    821,081.75x = 3,110,050,405,622.25
  5. Step 5: Solve for x
    x = 3,110,050,405,622.25/821,081.75
  6. Step 6: Final answer
    x = 3,787,747.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.