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Finding the Third Proportional to 98,838 and 217,836

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Solution

The third proportional to 98,838 and 217,836 is: 480,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,838 : 217,836 = 217,836 : x
  2. Step 2: Convert to fraction form
    98,838/217,836 = 217,836/x
  3. Step 3: Cross multiply
    98,838x = 217,836 × 217,836
  4. Step 4: Simplify right side
    98,838x = 47,452,522,896
  5. Step 5: Solve for x
    x = 47,452,522,896/98,838
  6. Step 6: Final answer
    x = 480,104.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.