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Finding the Third Proportional to 57,344.25 and 79,239.38

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Solution

The third proportional to 57,344.25 and 79,239.38 is: 109,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,344.25 : 79,239.38 = 79,239.38 : x
  2. Step 2: Convert to fraction form
    57,344.25/79,239.38 = 79,239.38/x
  3. Step 3: Cross multiply
    57,344.25x = 79,239.38 × 79,239.38
  4. Step 4: Simplify right side
    57,344.25x = 6,278,878,550.39
  5. Step 5: Solve for x
    x = 6,278,878,550.39/57,344.25
  6. Step 6: Final answer
    x = 109,494.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.