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Finding the Third Proportional to 5,422,448,707 and 8,379,065,927

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Solution

The third proportional to 5,422,448,707 and 8,379,065,927 is: 12,947,793,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,448,707 : 8,379,065,927 = 8,379,065,927 : x
  2. Step 2: Convert to fraction form
    5,422,448,707/8,379,065,927 = 8,379,065,927/x
  3. Step 3: Cross multiply
    5,422,448,707x = 8,379,065,927 × 8,379,065,927
  4. Step 4: Simplify right side
    5,422,448,707x = 70,208,745,809,012,367,360
  5. Step 5: Solve for x
    x = 70,208,745,809,012,367,360/5,422,448,707
  6. Step 6: Final answer
    x = 12,947,793,442.17

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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.