Home / 21,522,741,921-30,295,556,145

Finding the Third Proportional to 21,522,741,921 and 30,295,556,145

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Solution

The third proportional to 21,522,741,921 and 30,295,556,145 is: 42,644,228,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522,741,921 : 30,295,556,145 = 30,295,556,145 : x
  2. Step 2: Convert to fraction form
    21,522,741,921/30,295,556,145 = 30,295,556,145/x
  3. Step 3: Cross multiply
    21,522,741,921x = 30,295,556,145 × 30,295,556,145
  4. Step 4: Simplify right side
    21,522,741,921x = 917,820,722,134,847,324,160
  5. Step 5: Solve for x
    x = 917,820,722,134,847,324,160/21,522,741,921
  6. Step 6: Final answer
    x = 42,644,228,393.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.