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Finding the Third Proportional to 139,704.75 and 303,716.81

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Solution

The third proportional to 139,704.75 and 303,716.81 is: 660,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,704.75 : 303,716.81 = 303,716.81 : x
  2. Step 2: Convert to fraction form
    139,704.75/303,716.81 = 303,716.81/x
  3. Step 3: Cross multiply
    139,704.75x = 303,716.81 × 303,716.81
  4. Step 4: Simplify right side
    139,704.75x = 92,243,902,195.16
  5. Step 5: Solve for x
    x = 92,243,902,195.16/139,704.75
  6. Step 6: Final answer
    x = 660,277.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.