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Finding the Third Proportional to 1,135,138.50 and 1,699,578.75

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Solution

The third proportional to 1,135,138.50 and 1,699,578.75 is: 2,544,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,138.50 : 1,699,578.75 = 1,699,578.75 : x
  2. Step 2: Convert to fraction form
    1,135,138.50/1,699,578.75 = 1,699,578.75/x
  3. Step 3: Cross multiply
    1,135,138.50x = 1,699,578.75 × 1,699,578.75
  4. Step 4: Simplify right side
    1,135,138.50x = 2,888,567,927,451.56
  5. Step 5: Solve for x
    x = 2,888,567,927,451.56/1,135,138.50
  6. Step 6: Final answer
    x = 2,544,683.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.