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Finding the Third Proportional to 188,976 and 304,488

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Solution

The third proportional to 188,976 and 304,488 is: 490,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,976 : 304,488 = 304,488 : x
  2. Step 2: Convert to fraction form
    188,976/304,488 = 304,488/x
  3. Step 3: Cross multiply
    188,976x = 304,488 × 304,488
  4. Step 4: Simplify right side
    188,976x = 92,712,942,144
  5. Step 5: Solve for x
    x = 92,712,942,144/188,976
  6. Step 6: Final answer
    x = 490,606.97

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.