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Finding the Third Proportional to 82,256 and 176,988

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Solution

The third proportional to 82,256 and 176,988 is: 380,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,256 : 176,988 = 176,988 : x
  2. Step 2: Convert to fraction form
    82,256/176,988 = 176,988/x
  3. Step 3: Cross multiply
    82,256x = 176,988 × 176,988
  4. Step 4: Simplify right side
    82,256x = 31,324,752,144
  5. Step 5: Solve for x
    x = 31,324,752,144/82,256
  6. Step 6: Final answer
    x = 380,820.27

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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.