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Finding the Third Proportional to 233.25 and 342.75

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Solution

The third proportional to 233.25 and 342.75 is: 503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.25 : 342.75 = 342.75 : x
  2. Step 2: Convert to fraction form
    233.25/342.75 = 342.75/x
  3. Step 3: Cross multiply
    233.25x = 342.75 × 342.75
  4. Step 4: Simplify right side
    233.25x = 117,477.56
  5. Step 5: Solve for x
    x = 117,477.56/233.25
  6. Step 6: Final answer
    x = 503.66

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.