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Finding the Third Proportional to 2,194 and 4,820

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Solution

The third proportional to 2,194 and 4,820 is: 10,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194 : 4,820 = 4,820 : x
  2. Step 2: Convert to fraction form
    2,194/4,820 = 4,820/x
  3. Step 3: Cross multiply
    2,194x = 4,820 × 4,820
  4. Step 4: Simplify right side
    2,194x = 23,232,400
  5. Step 5: Solve for x
    x = 23,232,400/2,194
  6. Step 6: Final answer
    x = 10,589.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.