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Finding the Third Proportional to 82,076.25 and 176,412.75

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Solution

The third proportional to 82,076.25 and 176,412.75 is: 379,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,076.25 : 176,412.75 = 176,412.75 : x
  2. Step 2: Convert to fraction form
    82,076.25/176,412.75 = 176,412.75/x
  3. Step 3: Cross multiply
    82,076.25x = 176,412.75 × 176,412.75
  4. Step 4: Simplify right side
    82,076.25x = 31,121,458,362.56
  5. Step 5: Solve for x
    x = 31,121,458,362.56/82,076.25
  6. Step 6: Final answer
    x = 379,177.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.