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Finding the Third Proportional to 200,837 and 311,174.75

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Solution

The third proportional to 200,837 and 311,174.75 is: 482,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,837 : 311,174.75 = 311,174.75 : x
  2. Step 2: Convert to fraction form
    200,837/311,174.75 = 311,174.75/x
  3. Step 3: Cross multiply
    200,837x = 311,174.75 × 311,174.75
  4. Step 4: Simplify right side
    200,837x = 96,829,725,037.56
  5. Step 5: Solve for x
    x = 96,829,725,037.56/200,837
  6. Step 6: Final answer
    x = 482,130.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.