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Finding the Third Proportional to 11,467,218 and 25,200,438

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Solution

The third proportional to 11,467,218 and 25,200,438 is: 55,380,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467,218 : 25,200,438 = 25,200,438 : x
  2. Step 2: Convert to fraction form
    11,467,218/25,200,438 = 25,200,438/x
  3. Step 3: Cross multiply
    11,467,218x = 25,200,438 × 25,200,438
  4. Step 4: Simplify right side
    11,467,218x = 635,062,075,391,844
  5. Step 5: Solve for x
    x = 635,062,075,391,844/11,467,218
  6. Step 6: Final answer
    x = 55,380,657.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.