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Finding the Third Proportional to 911,361.38 and 1,994,280.75

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Solution

The third proportional to 911,361.38 and 1,994,280.75 is: 4,363,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,361.38 : 1,994,280.75 = 1,994,280.75 : x
  2. Step 2: Convert to fraction form
    911,361.38/1,994,280.75 = 1,994,280.75/x
  3. Step 3: Cross multiply
    911,361.38x = 1,994,280.75 × 1,994,280.75
  4. Step 4: Simplify right side
    911,361.38x = 3,977,155,709,820.56
  5. Step 5: Solve for x
    x = 3,977,155,709,820.56/911,361.38
  6. Step 6: Final answer
    x = 4,363,972.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.