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Finding the Third Proportional to 47,320,388,129 and 73,505,985,821

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Solution

The third proportional to 47,320,388,129 and 73,505,985,821 is: 114,181,860,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,388,129 : 73,505,985,821 = 73,505,985,821 : x
  2. Step 2: Convert to fraction form
    47,320,388,129/73,505,985,821 = 73,505,985,821/x
  3. Step 3: Cross multiply
    47,320,388,129x = 73,505,985,821 × 73,505,985,821
  4. Step 4: Simplify right side
    47,320,388,129x = 5,403,129,951,517,052,764,160
  5. Step 5: Solve for x
    x = 5,403,129,951,517,052,764,160/47,320,388,129
  6. Step 6: Final answer
    x = 114,181,860,402.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.