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Finding the Third Proportional to 9,923,879 and 21,368,367

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Solution

The third proportional to 9,923,879 and 21,368,367 is: 46,010,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923,879 : 21,368,367 = 21,368,367 : x
  2. Step 2: Convert to fraction form
    9,923,879/21,368,367 = 21,368,367/x
  3. Step 3: Cross multiply
    9,923,879x = 21,368,367 × 21,368,367
  4. Step 4: Simplify right side
    9,923,879x = 456,607,108,246,689
  5. Step 5: Solve for x
    x = 456,607,108,246,689/9,923,879
  6. Step 6: Final answer
    x = 46,010,950.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.