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Finding the Third Proportional to 2,621 and 5,665

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Solution

The third proportional to 2,621 and 5,665 is: 12,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621 : 5,665 = 5,665 : x
  2. Step 2: Convert to fraction form
    2,621/5,665 = 5,665/x
  3. Step 3: Cross multiply
    2,621x = 5,665 × 5,665
  4. Step 4: Simplify right side
    2,621x = 32,092,225
  5. Step 5: Solve for x
    x = 32,092,225/2,621
  6. Step 6: Final answer
    x = 12,244.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.