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Finding the Third Proportional to 102,912 and 153,936

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Solution

The third proportional to 102,912 and 153,936 is: 230,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912 : 153,936 = 153,936 : x
  2. Step 2: Convert to fraction form
    102,912/153,936 = 153,936/x
  3. Step 3: Cross multiply
    102,912x = 153,936 × 153,936
  4. Step 4: Simplify right side
    102,912x = 23,696,292,096
  5. Step 5: Solve for x
    x = 23,696,292,096/102,912
  6. Step 6: Final answer
    x = 230,257.81

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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.