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Finding the Third Proportional to 18,052 and 39,668

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Solution

The third proportional to 18,052 and 39,668 is: 87,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052 : 39,668 = 39,668 : x
  2. Step 2: Convert to fraction form
    18,052/39,668 = 39,668/x
  3. Step 3: Cross multiply
    18,052x = 39,668 × 39,668
  4. Step 4: Simplify right side
    18,052x = 1,573,550,224
  5. Step 5: Solve for x
    x = 1,573,550,224/18,052
  6. Step 6: Final answer
    x = 87,167.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.