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Finding the Third Proportional to 27,843 and 43,179

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Solution

The third proportional to 27,843 and 43,179 is: 66,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,843 : 43,179 = 43,179 : x
  2. Step 2: Convert to fraction form
    27,843/43,179 = 43,179/x
  3. Step 3: Cross multiply
    27,843x = 43,179 × 43,179
  4. Step 4: Simplify right side
    27,843x = 1,864,426,041
  5. Step 5: Solve for x
    x = 1,864,426,041/27,843
  6. Step 6: Final answer
    x = 66,962.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.