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Finding the Third Proportional to 111,966.50 and 167,879

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Solution

The third proportional to 111,966.50 and 167,879 is: 251,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.50 : 167,879 = 167,879 : x
  2. Step 2: Convert to fraction form
    111,966.50/167,879 = 167,879/x
  3. Step 3: Cross multiply
    111,966.50x = 167,879 × 167,879
  4. Step 4: Simplify right side
    111,966.50x = 28,183,358,641
  5. Step 5: Solve for x
    x = 28,183,358,641/111,966.50
  6. Step 6: Final answer
    x = 251,712.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.