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Finding the Third Proportional to 215,025.75 and 322,620.75

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Solution

The third proportional to 215,025.75 and 322,620.75 is: 484,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,025.75 : 322,620.75 = 322,620.75 : x
  2. Step 2: Convert to fraction form
    215,025.75/322,620.75 = 322,620.75/x
  3. Step 3: Cross multiply
    215,025.75x = 322,620.75 × 322,620.75
  4. Step 4: Simplify right side
    215,025.75x = 104,084,148,330.56
  5. Step 5: Solve for x
    x = 104,084,148,330.56/215,025.75
  6. Step 6: Final answer
    x = 484,054.34

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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.