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Finding the Third Proportional to 667,800 and 1,485,103.50

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Solution

The third proportional to 667,800 and 1,485,103.50 is: 3,302,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,800 : 1,485,103.50 = 1,485,103.50 : x
  2. Step 2: Convert to fraction form
    667,800/1,485,103.50 = 1,485,103.50/x
  3. Step 3: Cross multiply
    667,800x = 1,485,103.50 × 1,485,103.50
  4. Step 4: Simplify right side
    667,800x = 2,205,532,405,712.25
  5. Step 5: Solve for x
    x = 2,205,532,405,712.25/667,800
  6. Step 6: Final answer
    x = 3,302,684.05

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.