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Finding the Third Proportional to 133,326 and 187,515

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Solution

The third proportional to 133,326 and 187,515 is: 263,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326 : 187,515 = 187,515 : x
  2. Step 2: Convert to fraction form
    133,326/187,515 = 187,515/x
  3. Step 3: Cross multiply
    133,326x = 187,515 × 187,515
  4. Step 4: Simplify right side
    133,326x = 35,161,875,225
  5. Step 5: Solve for x
    x = 35,161,875,225/133,326
  6. Step 6: Final answer
    x = 263,728.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.