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Finding the Third Proportional to 6,240 and 11,104

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Solution

The third proportional to 6,240 and 11,104 is: 19,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240 : 11,104 = 11,104 : x
  2. Step 2: Convert to fraction form
    6,240/11,104 = 11,104/x
  3. Step 3: Cross multiply
    6,240x = 11,104 × 11,104
  4. Step 4: Simplify right side
    6,240x = 123,298,816
  5. Step 5: Solve for x
    x = 123,298,816/6,240
  6. Step 6: Final answer
    x = 19,759.43

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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.