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Finding the Third Proportional to 18,421,331,751.50 and 28,297,419,216

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Solution

The third proportional to 18,421,331,751.50 and 28,297,419,216 is: 43,468,297,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,331,751.50 : 28,297,419,216 = 28,297,419,216 : x
  2. Step 2: Convert to fraction form
    18,421,331,751.50/28,297,419,216 = 28,297,419,216/x
  3. Step 3: Cross multiply
    18,421,331,751.50x = 28,297,419,216 × 28,297,419,216
  4. Step 4: Simplify right side
    18,421,331,751.50x = 800,743,934,286,046,035,968
  5. Step 5: Solve for x
    x = 800,743,934,286,046,035,968/18,421,331,751.50
  6. Step 6: Final answer
    x = 43,468,297,791.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.