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Finding the Third Proportional to 11,918.25 and 17,673.75

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Solution

The third proportional to 11,918.25 and 17,673.75 is: 26,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.25 : 17,673.75 = 17,673.75 : x
  2. Step 2: Convert to fraction form
    11,918.25/17,673.75 = 17,673.75/x
  3. Step 3: Cross multiply
    11,918.25x = 17,673.75 × 17,673.75
  4. Step 4: Simplify right side
    11,918.25x = 312,361,439.06
  5. Step 5: Solve for x
    x = 312,361,439.06/11,918.25
  6. Step 6: Final answer
    x = 26,208.67

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.