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Finding the Third Proportional to 1,813,691.25 and 3,958,956

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Solution

The third proportional to 1,813,691.25 and 3,958,956 is: 8,641,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,691.25 : 3,958,956 = 3,958,956 : x
  2. Step 2: Convert to fraction form
    1,813,691.25/3,958,956 = 3,958,956/x
  3. Step 3: Cross multiply
    1,813,691.25x = 3,958,956 × 3,958,956
  4. Step 4: Simplify right side
    1,813,691.25x = 15,673,332,609,936
  5. Step 5: Solve for x
    x = 15,673,332,609,936/1,813,691.25
  6. Step 6: Final answer
    x = 8,641,676.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.