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Finding the Third Proportional to 175,256.75 and 381,268

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Solution

The third proportional to 175,256.75 and 381,268 is: 829,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,256.75 : 381,268 = 381,268 : x
  2. Step 2: Convert to fraction form
    175,256.75/381,268 = 381,268/x
  3. Step 3: Cross multiply
    175,256.75x = 381,268 × 381,268
  4. Step 4: Simplify right side
    175,256.75x = 145,365,287,824
  5. Step 5: Solve for x
    x = 145,365,287,824/175,256.75
  6. Step 6: Final answer
    x = 829,441.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.