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Finding the Third Proportional to 134,640 and 204,876

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Solution

The third proportional to 134,640 and 204,876 is: 311,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640 : 204,876 = 204,876 : x
  2. Step 2: Convert to fraction form
    134,640/204,876 = 204,876/x
  3. Step 3: Cross multiply
    134,640x = 204,876 × 204,876
  4. Step 4: Simplify right side
    134,640x = 41,974,175,376
  5. Step 5: Solve for x
    x = 41,974,175,376/134,640
  6. Step 6: Final answer
    x = 311,751.15

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.