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Finding the Third Proportional to 3,803 and 8,305

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Solution

The third proportional to 3,803 and 8,305 is: 18,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803 : 8,305 = 8,305 : x
  2. Step 2: Convert to fraction form
    3,803/8,305 = 8,305/x
  3. Step 3: Cross multiply
    3,803x = 8,305 × 8,305
  4. Step 4: Simplify right side
    3,803x = 68,973,025
  5. Step 5: Solve for x
    x = 68,973,025/3,803
  6. Step 6: Final answer
    x = 18,136.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.