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Finding the Third Proportional to 136,786.50 and 204,633

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Solution

The third proportional to 136,786.50 and 204,633 is: 306,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786.50 : 204,633 = 204,633 : x
  2. Step 2: Convert to fraction form
    136,786.50/204,633 = 204,633/x
  3. Step 3: Cross multiply
    136,786.50x = 204,633 × 204,633
  4. Step 4: Simplify right side
    136,786.50x = 41,874,664,689
  5. Step 5: Solve for x
    x = 41,874,664,689/136,786.50
  6. Step 6: Final answer
    x = 306,131.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.