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Finding the Third Proportional to 16,901,790 and 36,431,868

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Solution

The third proportional to 16,901,790 and 36,431,868 is: 78,529,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901,790 : 36,431,868 = 36,431,868 : x
  2. Step 2: Convert to fraction form
    16,901,790/36,431,868 = 36,431,868/x
  3. Step 3: Cross multiply
    16,901,790x = 36,431,868 × 36,431,868
  4. Step 4: Simplify right side
    16,901,790x = 1,327,281,005,969,424
  5. Step 5: Solve for x
    x = 1,327,281,005,969,424/16,901,790
  6. Step 6: Final answer
    x = 78,529,020.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.