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Finding the Third Proportional to 79,928 and 162,097

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Solution

The third proportional to 79,928 and 162,097 is: 328,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,928 : 162,097 = 162,097 : x
  2. Step 2: Convert to fraction form
    79,928/162,097 = 162,097/x
  3. Step 3: Cross multiply
    79,928x = 162,097 × 162,097
  4. Step 4: Simplify right side
    79,928x = 26,275,437,409
  5. Step 5: Solve for x
    x = 26,275,437,409/79,928
  6. Step 6: Final answer
    x = 328,738.83

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.