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Finding the Third Proportional to 43,679.25 and 66,328.88

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Solution

The third proportional to 43,679.25 and 66,328.88 is: 100,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.25 : 66,328.88 = 66,328.88 : x
  2. Step 2: Convert to fraction form
    43,679.25/66,328.88 = 66,328.88/x
  3. Step 3: Cross multiply
    43,679.25x = 66,328.88 × 66,328.88
  4. Step 4: Simplify right side
    43,679.25x = 4,399,519,658.77
  5. Step 5: Solve for x
    x = 4,399,519,658.77/43,679.25
  6. Step 6: Final answer
    x = 100,723.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.