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Finding the Third Proportional to 207,441 and 320,376.75

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Solution

The third proportional to 207,441 and 320,376.75 is: 494,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,441 : 320,376.75 = 320,376.75 : x
  2. Step 2: Convert to fraction form
    207,441/320,376.75 = 320,376.75/x
  3. Step 3: Cross multiply
    207,441x = 320,376.75 × 320,376.75
  4. Step 4: Simplify right side
    207,441x = 102,641,261,940.56
  5. Step 5: Solve for x
    x = 102,641,261,940.56/207,441
  6. Step 6: Final answer
    x = 494,797.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.