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Finding the Third Proportional to 143,834 and 313,622

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Solution

The third proportional to 143,834 and 313,622 is: 683,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834 : 313,622 = 313,622 : x
  2. Step 2: Convert to fraction form
    143,834/313,622 = 313,622/x
  3. Step 3: Cross multiply
    143,834x = 313,622 × 313,622
  4. Step 4: Simplify right side
    143,834x = 98,358,758,884
  5. Step 5: Solve for x
    x = 98,358,758,884/143,834
  6. Step 6: Final answer
    x = 683,835.25

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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.