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Finding the Third Proportional to 48,120.75 and 73,821.38

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Solution

The third proportional to 48,120.75 and 73,821.38 is: 113,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120.75 : 73,821.38 = 73,821.38 : x
  2. Step 2: Convert to fraction form
    48,120.75/73,821.38 = 73,821.38/x
  3. Step 3: Cross multiply
    48,120.75x = 73,821.38 × 73,821.38
  4. Step 4: Simplify right side
    48,120.75x = 5,449,595,406.89
  5. Step 5: Solve for x
    x = 5,449,595,406.89/48,120.75
  6. Step 6: Final answer
    x = 113,248.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.