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Finding the Third Proportional to 843 and 2,271

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Solution

The third proportional to 843 and 2,271 is: 6,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    843 : 2,271 = 2,271 : x
  2. Step 2: Convert to fraction form
    843/2,271 = 2,271/x
  3. Step 3: Cross multiply
    843x = 2,271 × 2,271
  4. Step 4: Simplify right side
    843x = 5,157,441
  5. Step 5: Solve for x
    x = 5,157,441/843
  6. Step 6: Final answer
    x = 6,117.96

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.