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Finding the Third Proportional to 718,879.50 and 1,538,745.75

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Solution

The third proportional to 718,879.50 and 1,538,745.75 is: 3,293,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,879.50 : 1,538,745.75 = 1,538,745.75 : x
  2. Step 2: Convert to fraction form
    718,879.50/1,538,745.75 = 1,538,745.75/x
  3. Step 3: Cross multiply
    718,879.50x = 1,538,745.75 × 1,538,745.75
  4. Step 4: Simplify right side
    718,879.50x = 2,367,738,483,143.06
  5. Step 5: Solve for x
    x = 2,367,738,483,143.06/718,879.50
  6. Step 6: Final answer
    x = 3,293,651.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.