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Finding the Third Proportional to 133,640 and 187,984

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Solution

The third proportional to 133,640 and 187,984 is: 264,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640 : 187,984 = 187,984 : x
  2. Step 2: Convert to fraction form
    133,640/187,984 = 187,984/x
  3. Step 3: Cross multiply
    133,640x = 187,984 × 187,984
  4. Step 4: Simplify right side
    133,640x = 35,337,984,256
  5. Step 5: Solve for x
    x = 35,337,984,256/133,640
  6. Step 6: Final answer
    x = 264,426.70

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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.