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Finding the Third Proportional to 318.94 and 736.59

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Solution

The third proportional to 318.94 and 736.59 is: 1,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318.94 : 736.59 = 736.59 : x
  2. Step 2: Convert to fraction form
    318.94/736.59 = 736.59/x
  3. Step 3: Cross multiply
    318.94x = 736.59 × 736.59
  4. Step 4: Simplify right side
    318.94x = 542,570.35
  5. Step 5: Solve for x
    x = 542,570.35/318.94
  6. Step 6: Final answer
    x = 1,701.18

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.