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Finding the Third Proportional to 79,816 and 124,098

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Solution

The third proportional to 79,816 and 124,098 is: 192,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816 : 124,098 = 124,098 : x
  2. Step 2: Convert to fraction form
    79,816/124,098 = 124,098/x
  3. Step 3: Cross multiply
    79,816x = 124,098 × 124,098
  4. Step 4: Simplify right side
    79,816x = 15,400,313,604
  5. Step 5: Solve for x
    x = 15,400,313,604/79,816
  6. Step 6: Final answer
    x = 192,947.70

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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.