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Finding the Third Proportional to 2,742,474.38 and 5,906,391.75

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Solution

The third proportional to 2,742,474.38 and 5,906,391.75 is: 12,720,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,474.38 : 5,906,391.75 = 5,906,391.75 : x
  2. Step 2: Convert to fraction form
    2,742,474.38/5,906,391.75 = 5,906,391.75/x
  3. Step 3: Cross multiply
    2,742,474.38x = 5,906,391.75 × 5,906,391.75
  4. Step 4: Simplify right side
    2,742,474.38x = 34,885,463,504,468.06
  5. Step 5: Solve for x
    x = 34,885,463,504,468.06/2,742,474.38
  6. Step 6: Final answer
    x = 12,720,433.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.