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Finding the Third Proportional to 20,854,948 and 43,616,672

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Solution

The third proportional to 20,854,948 and 43,616,672 is: 91,221,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,948 : 43,616,672 = 43,616,672 : x
  2. Step 2: Convert to fraction form
    20,854,948/43,616,672 = 43,616,672/x
  3. Step 3: Cross multiply
    20,854,948x = 43,616,672 × 43,616,672
  4. Step 4: Simplify right side
    20,854,948x = 1,902,414,076,355,584
  5. Step 5: Solve for x
    x = 1,902,414,076,355,584/20,854,948
  6. Step 6: Final answer
    x = 91,221,233.27

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.