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Finding the Third Proportional to 16,638,942 and 36,340,029

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Solution

The third proportional to 16,638,942 and 36,340,029 is: 79,367,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,942 : 36,340,029 = 36,340,029 : x
  2. Step 2: Convert to fraction form
    16,638,942/36,340,029 = 36,340,029/x
  3. Step 3: Cross multiply
    16,638,942x = 36,340,029 × 36,340,029
  4. Step 4: Simplify right side
    16,638,942x = 1,320,597,707,720,841
  5. Step 5: Solve for x
    x = 1,320,597,707,720,841/16,638,942
  6. Step 6: Final answer
    x = 79,367,889.36

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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.