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Finding the Third Proportional to 1,745,661.38 and 2,709,267.75

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Solution

The third proportional to 1,745,661.38 and 2,709,267.75 is: 4,204,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,661.38 : 2,709,267.75 = 2,709,267.75 : x
  2. Step 2: Convert to fraction form
    1,745,661.38/2,709,267.75 = 2,709,267.75/x
  3. Step 3: Cross multiply
    1,745,661.38x = 2,709,267.75 × 2,709,267.75
  4. Step 4: Simplify right side
    1,745,661.38x = 7,340,131,741,190.06
  5. Step 5: Solve for x
    x = 7,340,131,741,190.06/1,745,661.38
  6. Step 6: Final answer
    x = 4,204,785.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.