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Finding the Third Proportional to 188,640 and 410,976

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Solution

The third proportional to 188,640 and 410,976 is: 895,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,640 : 410,976 = 410,976 : x
  2. Step 2: Convert to fraction form
    188,640/410,976 = 410,976/x
  3. Step 3: Cross multiply
    188,640x = 410,976 × 410,976
  4. Step 4: Simplify right side
    188,640x = 168,901,272,576
  5. Step 5: Solve for x
    x = 168,901,272,576/188,640
  6. Step 6: Final answer
    x = 895,362.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.