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Finding the Third Proportional to 11,945,444 and 18,446,242

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Solution

The third proportional to 11,945,444 and 18,446,242 is: 28,484,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,444 : 18,446,242 = 18,446,242 : x
  2. Step 2: Convert to fraction form
    11,945,444/18,446,242 = 18,446,242/x
  3. Step 3: Cross multiply
    11,945,444x = 18,446,242 × 18,446,242
  4. Step 4: Simplify right side
    11,945,444x = 340,263,843,922,564
  5. Step 5: Solve for x
    x = 340,263,843,922,564/11,945,444
  6. Step 6: Final answer
    x = 28,484,821.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.