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Finding the Third Proportional to 821,452.50 and 1,764,337.50

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Solution

The third proportional to 821,452.50 and 1,764,337.50 is: 3,789,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,452.50 : 1,764,337.50 = 1,764,337.50 : x
  2. Step 2: Convert to fraction form
    821,452.50/1,764,337.50 = 1,764,337.50/x
  3. Step 3: Cross multiply
    821,452.50x = 1,764,337.50 × 1,764,337.50
  4. Step 4: Simplify right side
    821,452.50x = 3,112,886,813,906.25
  5. Step 5: Solve for x
    x = 3,112,886,813,906.25/821,452.50
  6. Step 6: Final answer
    x = 3,789,490.95

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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.