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Finding the Third Proportional to 4,571,109 and 9,749,718

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Solution

The third proportional to 4,571,109 and 9,749,718 is: 20,795,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571,109 : 9,749,718 = 9,749,718 : x
  2. Step 2: Convert to fraction form
    4,571,109/9,749,718 = 9,749,718/x
  3. Step 3: Cross multiply
    4,571,109x = 9,749,718 × 9,749,718
  4. Step 4: Simplify right side
    4,571,109x = 95,057,001,079,524
  5. Step 5: Solve for x
    x = 95,057,001,079,524/4,571,109
  6. Step 6: Final answer
    x = 20,795,172.70

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.