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Finding the Third Proportional to 2,947.22 and 4,523.34

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Solution

The third proportional to 2,947.22 and 4,523.34 is: 6,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.22 : 4,523.34 = 4,523.34 : x
  2. Step 2: Convert to fraction form
    2,947.22/4,523.34 = 4,523.34/x
  3. Step 3: Cross multiply
    2,947.22x = 4,523.34 × 4,523.34
  4. Step 4: Simplify right side
    2,947.22x = 20,460,638.68
  5. Step 5: Solve for x
    x = 20,460,638.68/2,947.22
  6. Step 6: Final answer
    x = 6,942.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.