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Finding the Third Proportional to 18,771 and 33,368.25

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Solution

The third proportional to 18,771 and 33,368.25 is: 59,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771 : 33,368.25 = 33,368.25 : x
  2. Step 2: Convert to fraction form
    18,771/33,368.25 = 33,368.25/x
  3. Step 3: Cross multiply
    18,771x = 33,368.25 × 33,368.25
  4. Step 4: Simplify right side
    18,771x = 1,113,440,108.06
  5. Step 5: Solve for x
    x = 1,113,440,108.06/18,771
  6. Step 6: Final answer
    x = 59,317.04

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.