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Finding the Third Proportional to 1,366,677.56 and 2,990,737.69

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Solution

The third proportional to 1,366,677.56 and 2,990,737.69 is: 6,544,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,677.56 : 2,990,737.69 = 2,990,737.69 : x
  2. Step 2: Convert to fraction form
    1,366,677.56/2,990,737.69 = 2,990,737.69/x
  3. Step 3: Cross multiply
    1,366,677.56x = 2,990,737.69 × 2,990,737.69
  4. Step 4: Simplify right side
    1,366,677.56x = 8,944,511,915,432.85
  5. Step 5: Solve for x
    x = 8,944,511,915,432.85/1,366,677.56
  6. Step 6: Final answer
    x = 6,544,712.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.