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Finding the Third Proportional to 48,945.75 and 106,879.50

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Solution

The third proportional to 48,945.75 and 106,879.50 is: 233,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.75 : 106,879.50 = 106,879.50 : x
  2. Step 2: Convert to fraction form
    48,945.75/106,879.50 = 106,879.50/x
  3. Step 3: Cross multiply
    48,945.75x = 106,879.50 × 106,879.50
  4. Step 4: Simplify right side
    48,945.75x = 11,423,227,520.25
  5. Step 5: Solve for x
    x = 11,423,227,520.25/48,945.75
  6. Step 6: Final answer
    x = 233,385.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.