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Finding the Third Proportional to 40,266 and 81,612

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Solution

The third proportional to 40,266 and 81,612 is: 165,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266 : 81,612 = 81,612 : x
  2. Step 2: Convert to fraction form
    40,266/81,612 = 81,612/x
  3. Step 3: Cross multiply
    40,266x = 81,612 × 81,612
  4. Step 4: Simplify right side
    40,266x = 6,660,518,544
  5. Step 5: Solve for x
    x = 6,660,518,544/40,266
  6. Step 6: Final answer
    x = 165,412.97

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.