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Finding the Third Proportional to 73,980 and 104,680

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Solution

The third proportional to 73,980 and 104,680 is: 148,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,980 : 104,680 = 104,680 : x
  2. Step 2: Convert to fraction form
    73,980/104,680 = 104,680/x
  3. Step 3: Cross multiply
    73,980x = 104,680 × 104,680
  4. Step 4: Simplify right side
    73,980x = 10,957,902,400
  5. Step 5: Solve for x
    x = 10,957,902,400/73,980
  6. Step 6: Final answer
    x = 148,119.79

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.