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Finding the Third Proportional to 11,761,930 and 25,478,645

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Solution

The third proportional to 11,761,930 and 25,478,645 is: 55,191,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761,930 : 25,478,645 = 25,478,645 : x
  2. Step 2: Convert to fraction form
    11,761,930/25,478,645 = 25,478,645/x
  3. Step 3: Cross multiply
    11,761,930x = 25,478,645 × 25,478,645
  4. Step 4: Simplify right side
    11,761,930x = 649,161,351,036,025
  5. Step 5: Solve for x
    x = 649,161,351,036,025/11,761,930
  6. Step 6: Final answer
    x = 55,191,737.33

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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.