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Finding the Third Proportional to 1,270,704 and 2,790,240

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Solution

The third proportional to 1,270,704 and 2,790,240 is: 6,126,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,704 : 2,790,240 = 2,790,240 : x
  2. Step 2: Convert to fraction form
    1,270,704/2,790,240 = 2,790,240/x
  3. Step 3: Cross multiply
    1,270,704x = 2,790,240 × 2,790,240
  4. Step 4: Simplify right side
    1,270,704x = 7,785,439,257,600
  5. Step 5: Solve for x
    x = 7,785,439,257,600/1,270,704
  6. Step 6: Final answer
    x = 6,126,870.82

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