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Finding the Third Proportional to 13,120 and 28,183

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Solution

The third proportional to 13,120 and 28,183 is: 60,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120 : 28,183 = 28,183 : x
  2. Step 2: Convert to fraction form
    13,120/28,183 = 28,183/x
  3. Step 3: Cross multiply
    13,120x = 28,183 × 28,183
  4. Step 4: Simplify right side
    13,120x = 794,281,489
  5. Step 5: Solve for x
    x = 794,281,489/13,120
  6. Step 6: Final answer
    x = 60,539.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.