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Finding the Third Proportional to 1,813,380.75 and 2,743,394.06

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Solution

The third proportional to 1,813,380.75 and 2,743,394.06 is: 4,150,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,380.75 : 2,743,394.06 = 2,743,394.06 : x
  2. Step 2: Convert to fraction form
    1,813,380.75/2,743,394.06 = 2,743,394.06/x
  3. Step 3: Cross multiply
    1,813,380.75x = 2,743,394.06 × 2,743,394.06
  4. Step 4: Simplify right side
    1,813,380.75x = 7,526,210,982,160.25
  5. Step 5: Solve for x
    x = 7,526,210,982,160.25/1,813,380.75
  6. Step 6: Final answer
    x = 4,150,375.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.