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Finding the Third Proportional to 21,618,619 and 47,226,322

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Solution

The third proportional to 21,618,619 and 47,226,322 is: 103,166,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618,619 : 47,226,322 = 47,226,322 : x
  2. Step 2: Convert to fraction form
    21,618,619/47,226,322 = 47,226,322/x
  3. Step 3: Cross multiply
    21,618,619x = 47,226,322 × 47,226,322
  4. Step 4: Simplify right side
    21,618,619x = 2,230,325,489,647,684
  5. Step 5: Solve for x
    x = 2,230,325,489,647,684/21,618,619
  6. Step 6: Final answer
    x = 103,166,880.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.