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Finding the Third Proportional to 80,505,351 and 176,826,195

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Solution

The third proportional to 80,505,351 and 176,826,195 is: 388,390,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,505,351 : 176,826,195 = 176,826,195 : x
  2. Step 2: Convert to fraction form
    80,505,351/176,826,195 = 176,826,195/x
  3. Step 3: Cross multiply
    80,505,351x = 176,826,195 × 176,826,195
  4. Step 4: Simplify right side
    80,505,351x = 31,267,503,238,178,024
  5. Step 5: Solve for x
    x = 31,267,503,238,178,024/80,505,351
  6. Step 6: Final answer
    x = 388,390,372.19

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.