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Finding the Third Proportional to 17,121 and 36,798

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Solution

The third proportional to 17,121 and 36,798 is: 79,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121 : 36,798 = 36,798 : x
  2. Step 2: Convert to fraction form
    17,121/36,798 = 36,798/x
  3. Step 3: Cross multiply
    17,121x = 36,798 × 36,798
  4. Step 4: Simplify right side
    17,121x = 1,354,092,804
  5. Step 5: Solve for x
    x = 1,354,092,804/17,121
  6. Step 6: Final answer
    x = 79,089.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.