Finding the Third Proportional to 306 and 360
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Solution
The third proportional to 306 and 360 is: 423.53
Step by Step Solution
- Step 1: Write the proportion equation
306 : 360 = 360 : x - Step 2: Convert to fraction form
306/360 = 360/x - Step 3: Cross multiply
306x = 360 × 360 - Step 4: Simplify right side
306x = 129,600 - Step 5: Solve for x
x = 129,600/306 - Step 6: Final answer
x = 423.53
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.