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Finding the Third Proportional to 79,632 and 111,616

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Solution

The third proportional to 79,632 and 111,616 is: 156,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,632 : 111,616 = 111,616 : x
  2. Step 2: Convert to fraction form
    79,632/111,616 = 111,616/x
  3. Step 3: Cross multiply
    79,632x = 111,616 × 111,616
  4. Step 4: Simplify right side
    79,632x = 12,458,131,456
  5. Step 5: Solve for x
    x = 12,458,131,456/79,632
  6. Step 6: Final answer
    x = 156,446.30

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.