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Finding the Third Proportional to 1,285,787.25 and 2,825,403

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Solution

The third proportional to 1,285,787.25 and 2,825,403 is: 6,208,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,787.25 : 2,825,403 = 2,825,403 : x
  2. Step 2: Convert to fraction form
    1,285,787.25/2,825,403 = 2,825,403/x
  3. Step 3: Cross multiply
    1,285,787.25x = 2,825,403 × 2,825,403
  4. Step 4: Simplify right side
    1,285,787.25x = 7,982,902,112,409
  5. Step 5: Solve for x
    x = 7,982,902,112,409/1,285,787.25
  6. Step 6: Final answer
    x = 6,208,571.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.