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Finding the Third Proportional to 30,816 and 49,626

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Solution

The third proportional to 30,816 and 49,626 is: 79,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816 : 49,626 = 49,626 : x
  2. Step 2: Convert to fraction form
    30,816/49,626 = 49,626/x
  3. Step 3: Cross multiply
    30,816x = 49,626 × 49,626
  4. Step 4: Simplify right side
    30,816x = 2,462,739,876
  5. Step 5: Solve for x
    x = 2,462,739,876/30,816
  6. Step 6: Final answer
    x = 79,917.57

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.