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Finding the Third Proportional to 11,169 and 18,733.50

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Solution

The third proportional to 11,169 and 18,733.50 is: 31,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169 : 18,733.50 = 18,733.50 : x
  2. Step 2: Convert to fraction form
    11,169/18,733.50 = 18,733.50/x
  3. Step 3: Cross multiply
    11,169x = 18,733.50 × 18,733.50
  4. Step 4: Simplify right side
    11,169x = 350,944,022.25
  5. Step 5: Solve for x
    x = 350,944,022.25/11,169
  6. Step 6: Final answer
    x = 31,421.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.