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Finding the Third Proportional to 3,189,464 and 6,821,512

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Solution

The third proportional to 3,189,464 and 6,821,512 is: 14,589,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,464 : 6,821,512 = 6,821,512 : x
  2. Step 2: Convert to fraction form
    3,189,464/6,821,512 = 6,821,512/x
  3. Step 3: Cross multiply
    3,189,464x = 6,821,512 × 6,821,512
  4. Step 4: Simplify right side
    3,189,464x = 46,533,025,966,144
  5. Step 5: Solve for x
    x = 46,533,025,966,144/3,189,464
  6. Step 6: Final answer
    x = 14,589,606.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.