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Finding the Third Proportional to 45,394,080 and 72,266,198

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Solution

The third proportional to 45,394,080 and 72,266,198 is: 115,045,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394,080 : 72,266,198 = 72,266,198 : x
  2. Step 2: Convert to fraction form
    45,394,080/72,266,198 = 72,266,198/x
  3. Step 3: Cross multiply
    45,394,080x = 72,266,198 × 72,266,198
  4. Step 4: Simplify right side
    45,394,080x = 5,222,403,373,375,204
  5. Step 5: Solve for x
    x = 5,222,403,373,375,204/45,394,080
  6. Step 6: Final answer
    x = 115,045,912.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.