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Finding the Third Proportional to 9,311,708 and 20,354,872

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Solution

The third proportional to 9,311,708 and 20,354,872 is: 44,494,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,708 : 20,354,872 = 20,354,872 : x
  2. Step 2: Convert to fraction form
    9,311,708/20,354,872 = 20,354,872/x
  3. Step 3: Cross multiply
    9,311,708x = 20,354,872 × 20,354,872
  4. Step 4: Simplify right side
    9,311,708x = 414,320,814,136,384
  5. Step 5: Solve for x
    x = 414,320,814,136,384/9,311,708
  6. Step 6: Final answer
    x = 44,494,609.81

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.