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Finding the Third Proportional to 3,218,544 and 6,959,781

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Solution

The third proportional to 3,218,544 and 6,959,781 is: 15,049,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,544 : 6,959,781 = 6,959,781 : x
  2. Step 2: Convert to fraction form
    3,218,544/6,959,781 = 6,959,781/x
  3. Step 3: Cross multiply
    3,218,544x = 6,959,781 × 6,959,781
  4. Step 4: Simplify right side
    3,218,544x = 48,438,551,567,961
  5. Step 5: Solve for x
    x = 48,438,551,567,961/3,218,544
  6. Step 6: Final answer
    x = 15,049,833.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.