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Finding the Third Proportional to 18,418,247 and 40,104,061

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Solution

The third proportional to 18,418,247 and 40,104,061 is: 87,322,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,247 : 40,104,061 = 40,104,061 : x
  2. Step 2: Convert to fraction form
    18,418,247/40,104,061 = 40,104,061/x
  3. Step 3: Cross multiply
    18,418,247x = 40,104,061 × 40,104,061
  4. Step 4: Simplify right side
    18,418,247x = 1,608,335,708,691,721
  5. Step 5: Solve for x
    x = 1,608,335,708,691,721/18,418,247
  6. Step 6: Final answer
    x = 87,322,952.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.