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Finding the Third Proportional to 2,943 and 6,189

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Solution

The third proportional to 2,943 and 6,189 is: 13,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943 : 6,189 = 6,189 : x
  2. Step 2: Convert to fraction form
    2,943/6,189 = 6,189/x
  3. Step 3: Cross multiply
    2,943x = 6,189 × 6,189
  4. Step 4: Simplify right side
    2,943x = 38,303,721
  5. Step 5: Solve for x
    x = 38,303,721/2,943
  6. Step 6: Final answer
    x = 13,015.20

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.