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Finding the Third Proportional to 706.22 and 1,518.75

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Solution

The third proportional to 706.22 and 1,518.75 is: 3,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.22 : 1,518.75 = 1,518.75 : x
  2. Step 2: Convert to fraction form
    706.22/1,518.75 = 1,518.75/x
  3. Step 3: Cross multiply
    706.22x = 1,518.75 × 1,518.75
  4. Step 4: Simplify right side
    706.22x = 2,306,601.56
  5. Step 5: Solve for x
    x = 2,306,601.56/706.22
  6. Step 6: Final answer
    x = 3,266.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.