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Finding the Third Proportional to 124,617.38 and 186,879.50

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Solution

The third proportional to 124,617.38 and 186,879.50 is: 280,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,617.38 : 186,879.50 = 186,879.50 : x
  2. Step 2: Convert to fraction form
    124,617.38/186,879.50 = 186,879.50/x
  3. Step 3: Cross multiply
    124,617.38x = 186,879.50 × 186,879.50
  4. Step 4: Simplify right side
    124,617.38x = 34,923,947,520.25
  5. Step 5: Solve for x
    x = 34,923,947,520.25/124,617.38
  6. Step 6: Final answer
    x = 280,249.42

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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.