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Finding the Third Proportional to 208,980 and 304,722

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Solution

The third proportional to 208,980 and 304,722 is: 444,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,980 : 304,722 = 304,722 : x
  2. Step 2: Convert to fraction form
    208,980/304,722 = 304,722/x
  3. Step 3: Cross multiply
    208,980x = 304,722 × 304,722
  4. Step 4: Simplify right side
    208,980x = 92,855,497,284
  5. Step 5: Solve for x
    x = 92,855,497,284/208,980
  6. Step 6: Final answer
    x = 444,327.20

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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.