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Finding the Third Proportional to 203.48 and 324.35

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Solution

The third proportional to 203.48 and 324.35 is: 517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.48 : 324.35 = 324.35 : x
  2. Step 2: Convert to fraction form
    203.48/324.35 = 324.35/x
  3. Step 3: Cross multiply
    203.48x = 324.35 × 324.35
  4. Step 4: Simplify right side
    203.48x = 105,203.94
  5. Step 5: Solve for x
    x = 105,203.94/203.48
  6. Step 6: Final answer
    x = 517.01

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.