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Finding the Third Proportional to 764,559 and 1,785,640.50

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Solution

The third proportional to 764,559 and 1,785,640.50 is: 4,170,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,559 : 1,785,640.50 = 1,785,640.50 : x
  2. Step 2: Convert to fraction form
    764,559/1,785,640.50 = 1,785,640.50/x
  3. Step 3: Cross multiply
    764,559x = 1,785,640.50 × 1,785,640.50
  4. Step 4: Simplify right side
    764,559x = 3,188,511,995,240.25
  5. Step 5: Solve for x
    x = 3,188,511,995,240.25/764,559
  6. Step 6: Final answer
    x = 4,170,393.65

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.