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Finding the Third Proportional to 17,560 and 27,930

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Solution

The third proportional to 17,560 and 27,930 is: 44,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560 : 27,930 = 27,930 : x
  2. Step 2: Convert to fraction form
    17,560/27,930 = 27,930/x
  3. Step 3: Cross multiply
    17,560x = 27,930 × 27,930
  4. Step 4: Simplify right side
    17,560x = 780,084,900
  5. Step 5: Solve for x
    x = 780,084,900/17,560
  6. Step 6: Final answer
    x = 44,423.97

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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.