EXAMPLE 2 Using the Cross Products Property 6.8 15.4 = 40.8 m Write original proportion. Cross products property Multiply. 6.8m 6.8 = 628.32 6.8 Divide.

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EXAMPLE 2 Using the Cross Products Property = 40.8 m Write original proportion. Cross products property Multiply. 6.8m 6.8 = Divide each side by 6.8. m = 92.4 Simplify. Check: You can check your solution by finding the cross products of the proportion. If the cross products are equal, the solution is correct. 6.8m = 15.4 (40.8) 6.8m =

EXAMPLE 2 Substitute 92.4 for m. Multiply. 6.8 (92.4) 15.4 (40.8) = ? = ? = Using the Cross Products Property

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GUIDED PRACTICE for Example 2 Solve the proportion. Then check your solution. =32.4x = x 134.8

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GUIDED PRACTICE for Example 2 Solve the proportion. Then check your solution. 10. b 1.8 = =b6.2