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Finding the Third Proportional to 3,108,515 and 6,689,422

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Solution

The third proportional to 3,108,515 and 6,689,422 is: 14,395,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,515 : 6,689,422 = 6,689,422 : x
  2. Step 2: Convert to fraction form
    3,108,515/6,689,422 = 6,689,422/x
  3. Step 3: Cross multiply
    3,108,515x = 6,689,422 × 6,689,422
  4. Step 4: Simplify right side
    3,108,515x = 44,748,366,694,084
  5. Step 5: Solve for x
    x = 44,748,366,694,084/3,108,515
  6. Step 6: Final answer
    x = 14,395,416.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.