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Finding the Third Proportional to 4,501,812.94 and 6,981,231.38

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Solution

The third proportional to 4,501,812.94 and 6,981,231.38 is: 10,826,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501,812.94 : 6,981,231.38 = 6,981,231.38 : x
  2. Step 2: Convert to fraction form
    4,501,812.94/6,981,231.38 = 6,981,231.38/x
  3. Step 3: Cross multiply
    4,501,812.94x = 6,981,231.38 × 6,981,231.38
  4. Step 4: Simplify right side
    4,501,812.94x = 48,737,591,511,284.39
  5. Step 5: Solve for x
    x = 48,737,591,511,284.39/4,501,812.94
  6. Step 6: Final answer
    x = 10,826,214.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.