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Finding the Third Proportional to 3,134,918 and 4,690,218

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Solution

The third proportional to 3,134,918 and 4,690,218 is: 7,017,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,918 : 4,690,218 = 4,690,218 : x
  2. Step 2: Convert to fraction form
    3,134,918/4,690,218 = 4,690,218/x
  3. Step 3: Cross multiply
    3,134,918x = 4,690,218 × 4,690,218
  4. Step 4: Simplify right side
    3,134,918x = 21,998,144,887,524
  5. Step 5: Solve for x
    x = 21,998,144,887,524/3,134,918
  6. Step 6: Final answer
    x = 7,017,135.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.