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Finding the Third Proportional to 11,169 and 19,838.25

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Solution

The third proportional to 11,169 and 19,838.25 is: 35,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169 : 19,838.25 = 19,838.25 : x
  2. Step 2: Convert to fraction form
    11,169/19,838.25 = 19,838.25/x
  3. Step 3: Cross multiply
    11,169x = 19,838.25 × 19,838.25
  4. Step 4: Simplify right side
    11,169x = 393,556,163.06
  5. Step 5: Solve for x
    x = 393,556,163.06/11,169
  6. Step 6: Final answer
    x = 35,236.47

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1.5x scale

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.