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Finding the Third Proportional to 27,286 and 58,770

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Solution

The third proportional to 27,286 and 58,770 is: 126,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286 : 58,770 = 58,770 : x
  2. Step 2: Convert to fraction form
    27,286/58,770 = 58,770/x
  3. Step 3: Cross multiply
    27,286x = 58,770 × 58,770
  4. Step 4: Simplify right side
    27,286x = 3,453,912,900
  5. Step 5: Solve for x
    x = 3,453,912,900/27,286
  6. Step 6: Final answer
    x = 126,581.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.