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Finding the Third Proportional to 27,021.38 and 43,167.38

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Solution

The third proportional to 27,021.38 and 43,167.38 is: 68,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.38 : 43,167.38 = 43,167.38 : x
  2. Step 2: Convert to fraction form
    27,021.38/43,167.38 = 43,167.38/x
  3. Step 3: Cross multiply
    27,021.38x = 43,167.38 × 43,167.38
  4. Step 4: Simplify right side
    27,021.38x = 1,863,422,264.39
  5. Step 5: Solve for x
    x = 1,863,422,264.39/27,021.38
  6. Step 6: Final answer
    x = 68,961.05

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.