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Finding the Third Proportional to 8,486 and 17,748

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Solution

The third proportional to 8,486 and 17,748 is: 37,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486 : 17,748 = 17,748 : x
  2. Step 2: Convert to fraction form
    8,486/17,748 = 17,748/x
  3. Step 3: Cross multiply
    8,486x = 17,748 × 17,748
  4. Step 4: Simplify right side
    8,486x = 314,991,504
  5. Step 5: Solve for x
    x = 314,991,504/8,486
  6. Step 6: Final answer
    x = 37,118.96

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.