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Finding the Third Proportional to 49,569.75 and 76,812.75

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Solution

The third proportional to 49,569.75 and 76,812.75 is: 119,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569.75 : 76,812.75 = 76,812.75 : x
  2. Step 2: Convert to fraction form
    49,569.75/76,812.75 = 76,812.75/x
  3. Step 3: Cross multiply
    49,569.75x = 76,812.75 × 76,812.75
  4. Step 4: Simplify right side
    49,569.75x = 5,900,198,562.56
  5. Step 5: Solve for x
    x = 5,900,198,562.56/49,569.75
  6. Step 6: Final answer
    x = 119,028.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.