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Finding the Third Proportional to 5,728 and 12,536

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Solution

The third proportional to 5,728 and 12,536 is: 27,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728 : 12,536 = 12,536 : x
  2. Step 2: Convert to fraction form
    5,728/12,536 = 12,536/x
  3. Step 3: Cross multiply
    5,728x = 12,536 × 12,536
  4. Step 4: Simplify right side
    5,728x = 157,151,296
  5. Step 5: Solve for x
    x = 157,151,296/5,728
  6. Step 6: Final answer
    x = 27,435.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.