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Finding the Third Proportional to 328,582.50 and 479,949

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Solution

The third proportional to 328,582.50 and 479,949 is: 701,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,582.50 : 479,949 = 479,949 : x
  2. Step 2: Convert to fraction form
    328,582.50/479,949 = 479,949/x
  3. Step 3: Cross multiply
    328,582.50x = 479,949 × 479,949
  4. Step 4: Simplify right side
    328,582.50x = 230,351,042,601
  5. Step 5: Solve for x
    x = 230,351,042,601/328,582.50
  6. Step 6: Final answer
    x = 701,044.77

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.