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Finding the Third Proportional to 55,322,884 and 81,190,698

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Solution

The third proportional to 55,322,884 and 81,190,698 is: 119,153,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,322,884 : 81,190,698 = 81,190,698 : x
  2. Step 2: Convert to fraction form
    55,322,884/81,190,698 = 81,190,698/x
  3. Step 3: Cross multiply
    55,322,884x = 81,190,698 × 81,190,698
  4. Step 4: Simplify right side
    55,322,884x = 6,591,929,441,727,204
  5. Step 5: Solve for x
    x = 6,591,929,441,727,204/55,322,884
  6. Step 6: Final answer
    x = 119,153,756.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.