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Finding the Third Proportional to 28,729.69 and 40,839.19

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Solution

The third proportional to 28,729.69 and 40,839.19 is: 58,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.69 : 40,839.19 = 40,839.19 : x
  2. Step 2: Convert to fraction form
    28,729.69/40,839.19 = 40,839.19/x
  3. Step 3: Cross multiply
    28,729.69x = 40,839.19 × 40,839.19
  4. Step 4: Simplify right side
    28,729.69x = 1,667,839,235.66
  5. Step 5: Solve for x
    x = 1,667,839,235.66/28,729.69
  6. Step 6: Final answer
    x = 58,052.82

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.