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Finding the Third Proportional to 682,090.88 and 1,485,278.02

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Solution

The third proportional to 682,090.88 and 1,485,278.02 is: 3,234,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,090.88 : 1,485,278.02 = 1,485,278.02 : x
  2. Step 2: Convert to fraction form
    682,090.88/1,485,278.02 = 1,485,278.02/x
  3. Step 3: Cross multiply
    682,090.88x = 1,485,278.02 × 1,485,278.02
  4. Step 4: Simplify right side
    682,090.88x = 2,206,050,783,698.94
  5. Step 5: Solve for x
    x = 2,206,050,783,698.94/682,090.88
  6. Step 6: Final answer
    x = 3,234,247.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.