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Finding the Third Proportional to 82,287 and 177,372

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Solution

The third proportional to 82,287 and 177,372 is: 382,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,287 : 177,372 = 177,372 : x
  2. Step 2: Convert to fraction form
    82,287/177,372 = 177,372/x
  3. Step 3: Cross multiply
    82,287x = 177,372 × 177,372
  4. Step 4: Simplify right side
    82,287x = 31,460,826,384
  5. Step 5: Solve for x
    x = 31,460,826,384/82,287
  6. Step 6: Final answer
    x = 382,330.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.