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Finding the Third Proportional to 39,852 and 61,170

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Solution

The third proportional to 39,852 and 61,170 is: 93,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852 : 61,170 = 61,170 : x
  2. Step 2: Convert to fraction form
    39,852/61,170 = 61,170/x
  3. Step 3: Cross multiply
    39,852x = 61,170 × 61,170
  4. Step 4: Simplify right side
    39,852x = 3,741,768,900
  5. Step 5: Solve for x
    x = 3,741,768,900/39,852
  6. Step 6: Final answer
    x = 93,891.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.