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Finding the Third Proportional to 4,475 and 9,836

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Solution

The third proportional to 4,475 and 9,836 is: 21,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475 : 9,836 = 9,836 : x
  2. Step 2: Convert to fraction form
    4,475/9,836 = 9,836/x
  3. Step 3: Cross multiply
    4,475x = 9,836 × 9,836
  4. Step 4: Simplify right side
    4,475x = 96,746,896
  5. Step 5: Solve for x
    x = 96,746,896/4,475
  6. Step 6: Final answer
    x = 21,619.42

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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.