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Finding the Third Proportional to 21,299 and 33,344

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Solution

The third proportional to 21,299 and 33,344 is: 52,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299 : 33,344 = 33,344 : x
  2. Step 2: Convert to fraction form
    21,299/33,344 = 33,344/x
  3. Step 3: Cross multiply
    21,299x = 33,344 × 33,344
  4. Step 4: Simplify right side
    21,299x = 1,111,822,336
  5. Step 5: Solve for x
    x = 1,111,822,336/21,299
  6. Step 6: Final answer
    x = 52,200.68

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.