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Finding the Third Proportional to 15,568 and 17,836

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Solution

The third proportional to 15,568 and 17,836 is: 20,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568 : 17,836 = 17,836 : x
  2. Step 2: Convert to fraction form
    15,568/17,836 = 17,836/x
  3. Step 3: Cross multiply
    15,568x = 17,836 × 17,836
  4. Step 4: Simplify right side
    15,568x = 318,122,896
  5. Step 5: Solve for x
    x = 318,122,896/15,568
  6. Step 6: Final answer
    x = 20,434.41

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.