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Finding the Third Proportional to 82,339 and 168,261

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Solution

The third proportional to 82,339 and 168,261 is: 343,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,339 : 168,261 = 168,261 : x
  2. Step 2: Convert to fraction form
    82,339/168,261 = 168,261/x
  3. Step 3: Cross multiply
    82,339x = 168,261 × 168,261
  4. Step 4: Simplify right side
    82,339x = 28,311,764,121
  5. Step 5: Solve for x
    x = 28,311,764,121/82,339
  6. Step 6: Final answer
    x = 343,843.92

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.