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Finding the Third Proportional to 66,932 and 107,636

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Solution

The third proportional to 66,932 and 107,636 is: 173,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,932 : 107,636 = 107,636 : x
  2. Step 2: Convert to fraction form
    66,932/107,636 = 107,636/x
  3. Step 3: Cross multiply
    66,932x = 107,636 × 107,636
  4. Step 4: Simplify right side
    66,932x = 11,585,508,496
  5. Step 5: Solve for x
    x = 11,585,508,496/66,932
  6. Step 6: Final answer
    x = 173,093.71

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.