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Finding the Third Proportional to 27,230 and 43,868

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Solution

The third proportional to 27,230 and 43,868 is: 70,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230 : 43,868 = 43,868 : x
  2. Step 2: Convert to fraction form
    27,230/43,868 = 43,868/x
  3. Step 3: Cross multiply
    27,230x = 43,868 × 43,868
  4. Step 4: Simplify right side
    27,230x = 1,924,401,424
  5. Step 5: Solve for x
    x = 1,924,401,424/27,230
  6. Step 6: Final answer
    x = 70,672.11

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.