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Finding the Third Proportional to 90,804,224 and 199,268,608

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Solution

The third proportional to 90,804,224 and 199,268,608 is: 437,292,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,224 : 199,268,608 = 199,268,608 : x
  2. Step 2: Convert to fraction form
    90,804,224/199,268,608 = 199,268,608/x
  3. Step 3: Cross multiply
    90,804,224x = 199,268,608 × 199,268,608
  4. Step 4: Simplify right side
    90,804,224x = 39,707,978,134,257,664
  5. Step 5: Solve for x
    x = 39,707,978,134,257,664/90,804,224
  6. Step 6: Final answer
    x = 437,292,191.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.