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Finding the Third Proportional to 33,426 and 39,645

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Solution

The third proportional to 33,426 and 39,645 is: 47,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,426 : 39,645 = 39,645 : x
  2. Step 2: Convert to fraction form
    33,426/39,645 = 39,645/x
  3. Step 3: Cross multiply
    33,426x = 39,645 × 39,645
  4. Step 4: Simplify right side
    33,426x = 1,571,726,025
  5. Step 5: Solve for x
    x = 1,571,726,025/33,426
  6. Step 6: Final answer
    x = 47,021.06

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.