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Finding the Third Proportional to 27,443 and 40,189

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Solution

The third proportional to 27,443 and 40,189 is: 58,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443 : 40,189 = 40,189 : x
  2. Step 2: Convert to fraction form
    27,443/40,189 = 40,189/x
  3. Step 3: Cross multiply
    27,443x = 40,189 × 40,189
  4. Step 4: Simplify right side
    27,443x = 1,615,155,721
  5. Step 5: Solve for x
    x = 1,615,155,721/27,443
  6. Step 6: Final answer
    x = 58,854.93

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.