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Finding the Third Proportional to 6,220 and 11,684

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Solution

The third proportional to 6,220 and 11,684 is: 21,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 11,684 = 11,684 : x
  2. Step 2: Convert to fraction form
    6,220/11,684 = 11,684/x
  3. Step 3: Cross multiply
    6,220x = 11,684 × 11,684
  4. Step 4: Simplify right side
    6,220x = 136,515,856
  5. Step 5: Solve for x
    x = 136,515,856/6,220
  6. Step 6: Final answer
    x = 21,947.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.