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Finding the Third Proportional to 4,203,962 and 9,193,138

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Solution

The third proportional to 4,203,962 and 9,193,138 is: 20,103,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203,962 : 9,193,138 = 9,193,138 : x
  2. Step 2: Convert to fraction form
    4,203,962/9,193,138 = 9,193,138/x
  3. Step 3: Cross multiply
    4,203,962x = 9,193,138 × 9,193,138
  4. Step 4: Simplify right side
    4,203,962x = 84,513,786,287,044
  5. Step 5: Solve for x
    x = 84,513,786,287,044/4,203,962
  6. Step 6: Final answer
    x = 20,103,365.89

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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.