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Finding the Third Proportional to 2,787,972.75 and 4,340,976

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Solution

The third proportional to 2,787,972.75 and 4,340,976 is: 6,759,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,972.75 : 4,340,976 = 4,340,976 : x
  2. Step 2: Convert to fraction form
    2,787,972.75/4,340,976 = 4,340,976/x
  3. Step 3: Cross multiply
    2,787,972.75x = 4,340,976 × 4,340,976
  4. Step 4: Simplify right side
    2,787,972.75x = 18,844,072,632,576
  5. Step 5: Solve for x
    x = 18,844,072,632,576/2,787,972.75
  6. Step 6: Final answer
    x = 6,759,059.12

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.