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Finding the Third Proportional to 40,935 and 61,149

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Solution

The third proportional to 40,935 and 61,149 is: 91,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935 : 61,149 = 61,149 : x
  2. Step 2: Convert to fraction form
    40,935/61,149 = 61,149/x
  3. Step 3: Cross multiply
    40,935x = 61,149 × 61,149
  4. Step 4: Simplify right side
    40,935x = 3,739,200,201
  5. Step 5: Solve for x
    x = 3,739,200,201/40,935
  6. Step 6: Final answer
    x = 91,344.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.