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Finding the Third Proportional to 72,082,288 and 149,274,568

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Solution

The third proportional to 72,082,288 and 149,274,568 is: 309,131,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,082,288 : 149,274,568 = 149,274,568 : x
  2. Step 2: Convert to fraction form
    72,082,288/149,274,568 = 149,274,568/x
  3. Step 3: Cross multiply
    72,082,288x = 149,274,568 × 149,274,568
  4. Step 4: Simplify right side
    72,082,288x = 22,282,896,651,586,624
  5. Step 5: Solve for x
    x = 22,282,896,651,586,624/72,082,288
  6. Step 6: Final answer
    x = 309,131,372.91

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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.