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Finding the Third Proportional to 815,078 and 1,770,192

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Solution

The third proportional to 815,078 and 1,770,192 is: 3,844,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,078 : 1,770,192 = 1,770,192 : x
  2. Step 2: Convert to fraction form
    815,078/1,770,192 = 1,770,192/x
  3. Step 3: Cross multiply
    815,078x = 1,770,192 × 1,770,192
  4. Step 4: Simplify right side
    815,078x = 3,133,579,716,864
  5. Step 5: Solve for x
    x = 3,133,579,716,864/815,078
  6. Step 6: Final answer
    x = 3,844,515.15

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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.