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Finding the Third Proportional to 49,328 and 107,980

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Solution

The third proportional to 49,328 and 107,980 is: 236,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,328 : 107,980 = 107,980 : x
  2. Step 2: Convert to fraction form
    49,328/107,980 = 107,980/x
  3. Step 3: Cross multiply
    49,328x = 107,980 × 107,980
  4. Step 4: Simplify right side
    49,328x = 11,659,680,400
  5. Step 5: Solve for x
    x = 11,659,680,400/49,328
  6. Step 6: Final answer
    x = 236,370.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.