Finding the Third Proportional to 132 and 312
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Solution
The third proportional to 132 and 312 is: 737.45
Step by Step Solution
- Step 1: Write the proportion equation
132 : 312 = 312 : x - Step 2: Convert to fraction form
132/312 = 312/x - Step 3: Cross multiply
132x = 312 × 312 - Step 4: Simplify right side
132x = 97,344 - Step 5: Solve for x
x = 97,344/132 - Step 6: Final answer
x = 737.45
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.