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Finding the Third Proportional to 80,236.13 and 124,173

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Solution

The third proportional to 80,236.13 and 124,173 is: 192,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,236.13 : 124,173 = 124,173 : x
  2. Step 2: Convert to fraction form
    80,236.13/124,173 = 124,173/x
  3. Step 3: Cross multiply
    80,236.13x = 124,173 × 124,173
  4. Step 4: Simplify right side
    80,236.13x = 15,418,933,929
  5. Step 5: Solve for x
    x = 15,418,933,929/80,236.13
  6. Step 6: Final answer
    x = 192,169.47

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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.