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Finding the Third Proportional to 428,530 and 941,119

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Solution

The third proportional to 428,530 and 941,119 is: 2,066,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,530 : 941,119 = 941,119 : x
  2. Step 2: Convert to fraction form
    428,530/941,119 = 941,119/x
  3. Step 3: Cross multiply
    428,530x = 941,119 × 941,119
  4. Step 4: Simplify right side
    428,530x = 885,704,972,161
  5. Step 5: Solve for x
    x = 885,704,972,161/428,530
  6. Step 6: Final answer
    x = 2,066,844.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.