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Finding the Third Proportional to 4,072,387 and 8,774,198

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Solution

The third proportional to 4,072,387 and 8,774,198 is: 18,904,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072,387 : 8,774,198 = 8,774,198 : x
  2. Step 2: Convert to fraction form
    4,072,387/8,774,198 = 8,774,198/x
  3. Step 3: Cross multiply
    4,072,387x = 8,774,198 × 8,774,198
  4. Step 4: Simplify right side
    4,072,387x = 76,986,550,543,204
  5. Step 5: Solve for x
    x = 76,986,550,543,204/4,072,387
  6. Step 6: Final answer
    x = 18,904,527.13

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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.