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Finding the Third Proportional to 41,031 and 66,993.75

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Solution

The third proportional to 41,031 and 66,993.75 is: 109,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,031 : 66,993.75 = 66,993.75 : x
  2. Step 2: Convert to fraction form
    41,031/66,993.75 = 66,993.75/x
  3. Step 3: Cross multiply
    41,031x = 66,993.75 × 66,993.75
  4. Step 4: Simplify right side
    41,031x = 4,488,162,539.06
  5. Step 5: Solve for x
    x = 4,488,162,539.06/41,031
  6. Step 6: Final answer
    x = 109,384.67

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.