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Finding the Third Proportional to 326 and 373.25

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Solution

The third proportional to 326 and 373.25 is: 427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326 : 373.25 = 373.25 : x
  2. Step 2: Convert to fraction form
    326/373.25 = 373.25/x
  3. Step 3: Cross multiply
    326x = 373.25 × 373.25
  4. Step 4: Simplify right side
    326x = 139,315.56
  5. Step 5: Solve for x
    x = 139,315.56/326
  6. Step 6: Final answer
    x = 427.35

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.