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Finding the Third Proportional to 38,514 and 82,770

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Solution

The third proportional to 38,514 and 82,770 is: 177,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514 : 82,770 = 82,770 : x
  2. Step 2: Convert to fraction form
    38,514/82,770 = 82,770/x
  3. Step 3: Cross multiply
    38,514x = 82,770 × 82,770
  4. Step 4: Simplify right side
    38,514x = 6,850,872,900
  5. Step 5: Solve for x
    x = 6,850,872,900/38,514
  6. Step 6: Final answer
    x = 177,880.07

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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.