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Finding the Third Proportional to 13,622,240 and 20,490,568

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Solution

The third proportional to 13,622,240 and 20,490,568 is: 30,821,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,240 : 20,490,568 = 20,490,568 : x
  2. Step 2: Convert to fraction form
    13,622,240/20,490,568 = 20,490,568/x
  3. Step 3: Cross multiply
    13,622,240x = 20,490,568 × 20,490,568
  4. Step 4: Simplify right side
    13,622,240x = 419,863,376,962,624
  5. Step 5: Solve for x
    x = 419,863,376,962,624/13,622,240
  6. Step 6: Final answer
    x = 30,821,904.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.