The ratio of red to blue to white flowers is 3:1:2.
Let the number of red flowers be \(3x\), the number of blue flowers be \(x\), and the number of white flowers be \(2x\).
We know that the number of white flowers is 60. Therefore, we can set up the equation:
\[ 2x = 60 \]
To find \(x\), we solve for \(x\):
\[ x = \frac{60}{2} = 30 \]
Now, we can find the number of red and blue flowers:
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Red flowers: \[ 3x = 3 \times 30 = 90 \]
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Blue flowers: \[ x = 30 \]
Now, let's calculate the total number of flowers:
\[ \text{Total} = \text{Red} + \text{Blue} + \text{White} = 90 + 30 + 60 = 180 \]
Thus, the total number of flowers in the shipment is:
\[ \boxed{180} \]