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Finding the Third Proportional to 72,082,230 and 149,274,474

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Solution

The third proportional to 72,082,230 and 149,274,474 is: 309,131,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,082,230 : 149,274,474 = 149,274,474 : x
  2. Step 2: Convert to fraction form
    72,082,230/149,274,474 = 149,274,474/x
  3. Step 3: Cross multiply
    72,082,230x = 149,274,474 × 149,274,474
  4. Step 4: Simplify right side
    72,082,230x = 22,282,868,587,976,676
  5. Step 5: Solve for x
    x = 22,282,868,587,976,676/72,082,230
  6. Step 6: Final answer
    x = 309,131,232.32

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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.