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Finding the Third Proportional to 82,456 and 177,943

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Solution

The third proportional to 82,456 and 177,943 is: 384,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456 : 177,943 = 177,943 : x
  2. Step 2: Convert to fraction form
    82,456/177,943 = 177,943/x
  3. Step 3: Cross multiply
    82,456x = 177,943 × 177,943
  4. Step 4: Simplify right side
    82,456x = 31,663,711,249
  5. Step 5: Solve for x
    x = 31,663,711,249/82,456
  6. Step 6: Final answer
    x = 384,007.36

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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.