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Finding the Third Proportional to 890,739.28 and 1,942,245.84

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Solution

The third proportional to 890,739.28 and 1,942,245.84 is: 4,235,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,739.28 : 1,942,245.84 = 1,942,245.84 : x
  2. Step 2: Convert to fraction form
    890,739.28/1,942,245.84 = 1,942,245.84/x
  3. Step 3: Cross multiply
    890,739.28x = 1,942,245.84 × 1,942,245.84
  4. Step 4: Simplify right side
    890,739.28x = 3,772,318,917,564.15
  5. Step 5: Solve for x
    x = 3,772,318,917,564.15/890,739.28
  6. Step 6: Final answer
    x = 4,235,042.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.