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Finding the Third Proportional to 5,812 and 12,555

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Solution

The third proportional to 5,812 and 12,555 is: 27,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812 : 12,555 = 12,555 : x
  2. Step 2: Convert to fraction form
    5,812/12,555 = 12,555/x
  3. Step 3: Cross multiply
    5,812x = 12,555 × 12,555
  4. Step 4: Simplify right side
    5,812x = 157,628,025
  5. Step 5: Solve for x
    x = 157,628,025/5,812
  6. Step 6: Final answer
    x = 27,121.13

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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.