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Finding the Third Proportional to 20,223,758 and 43,679,689

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Solution

The third proportional to 20,223,758 and 43,679,689 is: 94,340,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,758 : 43,679,689 = 43,679,689 : x
  2. Step 2: Convert to fraction form
    20,223,758/43,679,689 = 43,679,689/x
  3. Step 3: Cross multiply
    20,223,758x = 43,679,689 × 43,679,689
  4. Step 4: Simplify right side
    20,223,758x = 1,907,915,231,136,721
  5. Step 5: Solve for x
    x = 1,907,915,231,136,721/20,223,758
  6. Step 6: Final answer
    x = 94,340,291.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.