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Finding the Third Proportional to 27,900 and 41,912

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Solution

The third proportional to 27,900 and 41,912 is: 62,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900 : 41,912 = 41,912 : x
  2. Step 2: Convert to fraction form
    27,900/41,912 = 41,912/x
  3. Step 3: Cross multiply
    27,900x = 41,912 × 41,912
  4. Step 4: Simplify right side
    27,900x = 1,756,615,744
  5. Step 5: Solve for x
    x = 1,756,615,744/27,900
  6. Step 6: Final answer
    x = 62,961.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.