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Finding the Third Proportional to 79,486 and 162,616

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Solution

The third proportional to 79,486 and 162,616 is: 332,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,486 : 162,616 = 162,616 : x
  2. Step 2: Convert to fraction form
    79,486/162,616 = 162,616/x
  3. Step 3: Cross multiply
    79,486x = 162,616 × 162,616
  4. Step 4: Simplify right side
    79,486x = 26,443,963,456
  5. Step 5: Solve for x
    x = 26,443,963,456/79,486
  6. Step 6: Final answer
    x = 332,687.06

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.