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Finding the Third Proportional to 2,219.06 and 2,706.75

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Solution

The third proportional to 2,219.06 and 2,706.75 is: 3,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.06 : 2,706.75 = 2,706.75 : x
  2. Step 2: Convert to fraction form
    2,219.06/2,706.75 = 2,706.75/x
  3. Step 3: Cross multiply
    2,219.06x = 2,706.75 × 2,706.75
  4. Step 4: Simplify right side
    2,219.06x = 7,326,495.56
  5. Step 5: Solve for x
    x = 7,326,495.56/2,219.06
  6. Step 6: Final answer
    x = 3,301.62

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.