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Finding the Third Proportional to 789,950.25 and 1,191,915

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Solution

The third proportional to 789,950.25 and 1,191,915 is: 1,798,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,950.25 : 1,191,915 = 1,191,915 : x
  2. Step 2: Convert to fraction form
    789,950.25/1,191,915 = 1,191,915/x
  3. Step 3: Cross multiply
    789,950.25x = 1,191,915 × 1,191,915
  4. Step 4: Simplify right side
    789,950.25x = 1,420,661,367,225
  5. Step 5: Solve for x
    x = 1,420,661,367,225/789,950.25
  6. Step 6: Final answer
    x = 1,798,418.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.