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Finding the Third Proportional to 5,655 and 12,531

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Solution

The third proportional to 5,655 and 12,531 is: 27,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655 : 12,531 = 12,531 : x
  2. Step 2: Convert to fraction form
    5,655/12,531 = 12,531/x
  3. Step 3: Cross multiply
    5,655x = 12,531 × 12,531
  4. Step 4: Simplify right side
    5,655x = 157,025,961
  5. Step 5: Solve for x
    x = 157,025,961/5,655
  6. Step 6: Final answer
    x = 27,767.63

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.