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Finding the Third Proportional to 37,416 and 81,866

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Solution

The third proportional to 37,416 and 81,866 is: 179,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416 : 81,866 = 81,866 : x
  2. Step 2: Convert to fraction form
    37,416/81,866 = 81,866/x
  3. Step 3: Cross multiply
    37,416x = 81,866 × 81,866
  4. Step 4: Simplify right side
    37,416x = 6,702,041,956
  5. Step 5: Solve for x
    x = 6,702,041,956/37,416
  6. Step 6: Final answer
    x = 179,122.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.