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Finding the Third Proportional to 16,856 and 26,836

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Solution

The third proportional to 16,856 and 26,836 is: 42,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856 : 26,836 = 26,836 : x
  2. Step 2: Convert to fraction form
    16,856/26,836 = 26,836/x
  3. Step 3: Cross multiply
    16,856x = 26,836 × 26,836
  4. Step 4: Simplify right side
    16,856x = 720,170,896
  5. Step 5: Solve for x
    x = 720,170,896/16,856
  6. Step 6: Final answer
    x = 42,724.90

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.