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Finding the Third Proportional to 84,328 and 177,944

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Solution

The third proportional to 84,328 and 177,944 is: 375,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,328 : 177,944 = 177,944 : x
  2. Step 2: Convert to fraction form
    84,328/177,944 = 177,944/x
  3. Step 3: Cross multiply
    84,328x = 177,944 × 177,944
  4. Step 4: Simplify right side
    84,328x = 31,664,067,136
  5. Step 5: Solve for x
    x = 31,664,067,136/84,328
  6. Step 6: Final answer
    x = 375,486.99

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.