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Finding the Third Proportional to 1,116 and 2,061

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Solution

The third proportional to 1,116 and 2,061 is: 3,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116 : 2,061 = 2,061 : x
  2. Step 2: Convert to fraction form
    1,116/2,061 = 2,061/x
  3. Step 3: Cross multiply
    1,116x = 2,061 × 2,061
  4. Step 4: Simplify right side
    1,116x = 4,247,721
  5. Step 5: Solve for x
    x = 4,247,721/1,116
  6. Step 6: Final answer
    x = 3,806.20

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.