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Finding the Third Proportional to 49,821.75 and 75,147.75

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Solution

The third proportional to 49,821.75 and 75,147.75 is: 113,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.75 : 75,147.75 = 75,147.75 : x
  2. Step 2: Convert to fraction form
    49,821.75/75,147.75 = 75,147.75/x
  3. Step 3: Cross multiply
    49,821.75x = 75,147.75 × 75,147.75
  4. Step 4: Simplify right side
    49,821.75x = 5,647,184,330.06
  5. Step 5: Solve for x
    x = 5,647,184,330.06/49,821.75
  6. Step 6: Final answer
    x = 113,347.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.