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Finding the Third Proportional to 206,454 and 305,844

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Solution

The third proportional to 206,454 and 305,844 is: 453,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,454 : 305,844 = 305,844 : x
  2. Step 2: Convert to fraction form
    206,454/305,844 = 305,844/x
  3. Step 3: Cross multiply
    206,454x = 305,844 × 305,844
  4. Step 4: Simplify right side
    206,454x = 93,540,552,336
  5. Step 5: Solve for x
    x = 93,540,552,336/206,454
  6. Step 6: Final answer
    x = 453,081.81

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.