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Finding the Third Proportional to 815,043.94 and 1,770,121.69

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Solution

The third proportional to 815,043.94 and 1,770,121.69 is: 3,844,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,043.94 : 1,770,121.69 = 1,770,121.69 : x
  2. Step 2: Convert to fraction form
    815,043.94/1,770,121.69 = 1,770,121.69/x
  3. Step 3: Cross multiply
    815,043.94x = 1,770,121.69 × 1,770,121.69
  4. Step 4: Simplify right side
    815,043.94x = 3,133,330,788,557.85
  5. Step 5: Solve for x
    x = 3,133,330,788,557.85/815,043.94
  6. Step 6: Final answer
    x = 3,844,370.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.