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Finding the Third Proportional to 82,404 and 177,228

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Solution

The third proportional to 82,404 and 177,228 is: 381,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,404 : 177,228 = 177,228 : x
  2. Step 2: Convert to fraction form
    82,404/177,228 = 177,228/x
  3. Step 3: Cross multiply
    82,404x = 177,228 × 177,228
  4. Step 4: Simplify right side
    82,404x = 31,409,763,984
  5. Step 5: Solve for x
    x = 31,409,763,984/82,404
  6. Step 6: Final answer
    x = 381,167.95

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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.