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Finding the Third Proportional to 81,904 and 176,336

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Solution

The third proportional to 81,904 and 176,336 is: 379,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,904 : 176,336 = 176,336 : x
  2. Step 2: Convert to fraction form
    81,904/176,336 = 176,336/x
  3. Step 3: Cross multiply
    81,904x = 176,336 × 176,336
  4. Step 4: Simplify right side
    81,904x = 31,094,384,896
  5. Step 5: Solve for x
    x = 31,094,384,896/81,904
  6. Step 6: Final answer
    x = 379,644.28

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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.