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Finding the Third Proportional to 6,121 and 11,053

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Solution

The third proportional to 6,121 and 11,053 is: 19,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121 : 11,053 = 11,053 : x
  2. Step 2: Convert to fraction form
    6,121/11,053 = 11,053/x
  3. Step 3: Cross multiply
    6,121x = 11,053 × 11,053
  4. Step 4: Simplify right side
    6,121x = 122,168,809
  5. Step 5: Solve for x
    x = 122,168,809/6,121
  6. Step 6: Final answer
    x = 19,958.96

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.