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Finding the Third Proportional to 136,512 and 203,715

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Solution

The third proportional to 136,512 and 203,715 is: 304,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,512 : 203,715 = 203,715 : x
  2. Step 2: Convert to fraction form
    136,512/203,715 = 203,715/x
  3. Step 3: Cross multiply
    136,512x = 203,715 × 203,715
  4. Step 4: Simplify right side
    136,512x = 41,499,801,225
  5. Step 5: Solve for x
    x = 41,499,801,225/136,512
  6. Step 6: Final answer
    x = 304,001.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.