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Finding the Third Proportional to 230,949 and 480,258

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Solution

The third proportional to 230,949 and 480,258 is: 998,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,949 : 480,258 = 480,258 : x
  2. Step 2: Convert to fraction form
    230,949/480,258 = 480,258/x
  3. Step 3: Cross multiply
    230,949x = 480,258 × 480,258
  4. Step 4: Simplify right side
    230,949x = 230,647,746,564
  5. Step 5: Solve for x
    x = 230,647,746,564/230,949
  6. Step 6: Final answer
    x = 998,695.58

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.