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Finding the Third Proportional to 21,874 and 33,935

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Solution

The third proportional to 21,874 and 33,935 is: 52,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874 : 33,935 = 33,935 : x
  2. Step 2: Convert to fraction form
    21,874/33,935 = 33,935/x
  3. Step 3: Cross multiply
    21,874x = 33,935 × 33,935
  4. Step 4: Simplify right side
    21,874x = 1,151,584,225
  5. Step 5: Solve for x
    x = 1,151,584,225/21,874
  6. Step 6: Final answer
    x = 52,646.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.