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Finding the Third Proportional to 17,808.75 and 27,794.25

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Solution

The third proportional to 17,808.75 and 27,794.25 is: 43,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.75 : 27,794.25 = 27,794.25 : x
  2. Step 2: Convert to fraction form
    17,808.75/27,794.25 = 27,794.25/x
  3. Step 3: Cross multiply
    17,808.75x = 27,794.25 × 27,794.25
  4. Step 4: Simplify right side
    17,808.75x = 772,520,333.06
  5. Step 5: Solve for x
    x = 772,520,333.06/17,808.75
  6. Step 6: Final answer
    x = 43,378.69

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.