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Finding the Third Proportional to 17,336 and 27,920

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Solution

The third proportional to 17,336 and 27,920 is: 44,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,336 : 27,920 = 27,920 : x
  2. Step 2: Convert to fraction form
    17,336/27,920 = 27,920/x
  3. Step 3: Cross multiply
    17,336x = 27,920 × 27,920
  4. Step 4: Simplify right side
    17,336x = 779,526,400
  5. Step 5: Solve for x
    x = 779,526,400/17,336
  6. Step 6: Final answer
    x = 44,965.76

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.