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Finding the Third Proportional to 606.94 and 859.22

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Solution

The third proportional to 606.94 and 859.22 is: 1,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.94 : 859.22 = 859.22 : x
  2. Step 2: Convert to fraction form
    606.94/859.22 = 859.22/x
  3. Step 3: Cross multiply
    606.94x = 859.22 × 859.22
  4. Step 4: Simplify right side
    606.94x = 738,256.86
  5. Step 5: Solve for x
    x = 738,256.86/606.94
  6. Step 6: Final answer
    x = 1,216.36

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.