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Finding the Third Proportional to 9,296,418 and 20,136,530

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Solution

The third proportional to 9,296,418 and 20,136,530 is: 43,616,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296,418 : 20,136,530 = 20,136,530 : x
  2. Step 2: Convert to fraction form
    9,296,418/20,136,530 = 20,136,530/x
  3. Step 3: Cross multiply
    9,296,418x = 20,136,530 × 20,136,530
  4. Step 4: Simplify right side
    9,296,418x = 405,479,840,440,900
  5. Step 5: Solve for x
    x = 405,479,840,440,900/9,296,418
  6. Step 6: Final answer
    x = 43,616,782.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.