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Finding the Third Proportional to 139,068 and 303,512

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Solution

The third proportional to 139,068 and 303,512 is: 662,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,068 : 303,512 = 303,512 : x
  2. Step 2: Convert to fraction form
    139,068/303,512 = 303,512/x
  3. Step 3: Cross multiply
    139,068x = 303,512 × 303,512
  4. Step 4: Simplify right side
    139,068x = 92,119,534,144
  5. Step 5: Solve for x
    x = 92,119,534,144/139,068
  6. Step 6: Final answer
    x = 662,406.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.