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Finding the Third Proportional to 12,211 and 20,733

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Solution

The third proportional to 12,211 and 20,733 is: 35,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211 : 20,733 = 20,733 : x
  2. Step 2: Convert to fraction form
    12,211/20,733 = 20,733/x
  3. Step 3: Cross multiply
    12,211x = 20,733 × 20,733
  4. Step 4: Simplify right side
    12,211x = 429,857,289
  5. Step 5: Solve for x
    x = 429,857,289/12,211
  6. Step 6: Final answer
    x = 35,202.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.