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Finding the Third Proportional to 5,422,448,703 and 8,379,065,920.50

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Solution

The third proportional to 5,422,448,703 and 8,379,065,920.50 is: 12,947,793,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,448,703 : 8,379,065,920.50 = 8,379,065,920.50 : x
  2. Step 2: Convert to fraction form
    5,422,448,703/8,379,065,920.50 = 8,379,065,920.50/x
  3. Step 3: Cross multiply
    5,422,448,703x = 8,379,065,920.50 × 8,379,065,920.50
  4. Step 4: Simplify right side
    5,422,448,703x = 70,208,745,700,084,514,816
  5. Step 5: Solve for x
    x = 70,208,745,700,084,514,816/5,422,448,703
  6. Step 6: Final answer
    x = 12,947,793,431.64

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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.