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Finding the Third Proportional to 1,887,713.25 and 2,831,772.75

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Solution

The third proportional to 1,887,713.25 and 2,831,772.75 is: 4,247,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,713.25 : 2,831,772.75 = 2,831,772.75 : x
  2. Step 2: Convert to fraction form
    1,887,713.25/2,831,772.75 = 2,831,772.75/x
  3. Step 3: Cross multiply
    1,887,713.25x = 2,831,772.75 × 2,831,772.75
  4. Step 4: Simplify right side
    1,887,713.25x = 8,018,936,907,642.56
  5. Step 5: Solve for x
    x = 8,018,936,907,642.56/1,887,713.25
  6. Step 6: Final answer
    x = 4,247,963.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.