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Finding the Third Proportional to 137,844.75 and 311,229.75

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Solution

The third proportional to 137,844.75 and 311,229.75 is: 702,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,844.75 : 311,229.75 = 311,229.75 : x
  2. Step 2: Convert to fraction form
    137,844.75/311,229.75 = 311,229.75/x
  3. Step 3: Cross multiply
    137,844.75x = 311,229.75 × 311,229.75
  4. Step 4: Simplify right side
    137,844.75x = 96,863,957,285.06
  5. Step 5: Solve for x
    x = 96,863,957,285.06/137,844.75
  6. Step 6: Final answer
    x = 702,703.28

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.