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Finding the Third Proportional to 17,918 and 26,336

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Solution

The third proportional to 17,918 and 26,336 is: 38,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918 : 26,336 = 26,336 : x
  2. Step 2: Convert to fraction form
    17,918/26,336 = 26,336/x
  3. Step 3: Cross multiply
    17,918x = 26,336 × 26,336
  4. Step 4: Simplify right side
    17,918x = 693,584,896
  5. Step 5: Solve for x
    x = 693,584,896/17,918
  6. Step 6: Final answer
    x = 38,708.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.