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Finding the Third Proportional to 79,922.25 and 124,176.38

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Solution

The third proportional to 79,922.25 and 124,176.38 is: 192,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,922.25 : 124,176.38 = 124,176.38 : x
  2. Step 2: Convert to fraction form
    79,922.25/124,176.38 = 124,176.38/x
  3. Step 3: Cross multiply
    79,922.25x = 124,176.38 × 124,176.38
  4. Step 4: Simplify right side
    79,922.25x = 15,419,772,108.14
  5. Step 5: Solve for x
    x = 15,419,772,108.14/79,922.25
  6. Step 6: Final answer
    x = 192,934.66

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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.