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Finding the Third Proportional to 417,787.88 and 627,608.25

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Solution

The third proportional to 417,787.88 and 627,608.25 is: 942,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,787.88 : 627,608.25 = 627,608.25 : x
  2. Step 2: Convert to fraction form
    417,787.88/627,608.25 = 627,608.25/x
  3. Step 3: Cross multiply
    417,787.88x = 627,608.25 × 627,608.25
  4. Step 4: Simplify right side
    417,787.88x = 393,892,115,468.06
  5. Step 5: Solve for x
    x = 393,892,115,468.06/417,787.88
  6. Step 6: Final answer
    x = 942,804.09

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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.