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Finding the Third Proportional to 16,981,821 and 37,299,791

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Solution

The third proportional to 16,981,821 and 37,299,791 is: 81,927,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981,821 : 37,299,791 = 37,299,791 : x
  2. Step 2: Convert to fraction form
    16,981,821/37,299,791 = 37,299,791/x
  3. Step 3: Cross multiply
    16,981,821x = 37,299,791 × 37,299,791
  4. Step 4: Simplify right side
    16,981,821x = 1,391,274,408,643,681
  5. Step 5: Solve for x
    x = 1,391,274,408,643,681/16,981,821
  6. Step 6: Final answer
    x = 81,927,280.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.