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Finding the Third Proportional to 291,180.75 and 622,842.75

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Solution

The third proportional to 291,180.75 and 622,842.75 is: 1,332,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,180.75 : 622,842.75 = 622,842.75 : x
  2. Step 2: Convert to fraction form
    291,180.75/622,842.75 = 622,842.75/x
  3. Step 3: Cross multiply
    291,180.75x = 622,842.75 × 622,842.75
  4. Step 4: Simplify right side
    291,180.75x = 387,933,091,227.56
  5. Step 5: Solve for x
    x = 387,933,091,227.56/291,180.75
  6. Step 6: Final answer
    x = 1,332,275.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.