Finding the Third Proportional to 302 and 442
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Solution
The third proportional to 302 and 442 is: 646.90
Step by Step Solution
- Step 1: Write the proportion equation
302 : 442 = 442 : x - Step 2: Convert to fraction form
302/442 = 442/x - Step 3: Cross multiply
302x = 442 × 442 - Step 4: Simplify right side
302x = 195,364 - Step 5: Solve for x
x = 195,364/302 - Step 6: Final answer
x = 646.90
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.