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Finding the Third Proportional to 18,021,758 and 37,320,962

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Solution

The third proportional to 18,021,758 and 37,320,962 is: 77,287,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,758 : 37,320,962 = 37,320,962 : x
  2. Step 2: Convert to fraction form
    18,021,758/37,320,962 = 37,320,962/x
  3. Step 3: Cross multiply
    18,021,758x = 37,320,962 × 37,320,962
  4. Step 4: Simplify right side
    18,021,758x = 1,392,854,204,605,444
  5. Step 5: Solve for x
    x = 1,392,854,204,605,444/18,021,758
  6. Step 6: Final answer
    x = 77,287,365.89

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.