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Finding the Third Proportional to 5,626 and 13,120

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Solution

The third proportional to 5,626 and 13,120 is: 30,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626 : 13,120 = 13,120 : x
  2. Step 2: Convert to fraction form
    5,626/13,120 = 13,120/x
  3. Step 3: Cross multiply
    5,626x = 13,120 × 13,120
  4. Step 4: Simplify right side
    5,626x = 172,134,400
  5. Step 5: Solve for x
    x = 172,134,400/5,626
  6. Step 6: Final answer
    x = 30,596.23

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.