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Finding the Third Proportional to 5,913,611 and 8,645,906

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Solution

The third proportional to 5,913,611 and 8,645,906 is: 12,640,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,611 : 8,645,906 = 8,645,906 : x
  2. Step 2: Convert to fraction form
    5,913,611/8,645,906 = 8,645,906/x
  3. Step 3: Cross multiply
    5,913,611x = 8,645,906 × 8,645,906
  4. Step 4: Simplify right side
    5,913,611x = 74,751,690,560,836
  5. Step 5: Solve for x
    x = 74,751,690,560,836/5,913,611
  6. Step 6: Final answer
    x = 12,640,616.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.