Finding the Third Proportional to 612.75 and 963
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Solution
The third proportional to 612.75 and 963 is: 1,513.45
Step by Step Solution
- Step 1: Write the proportion equation
612.75 : 963 = 963 : x - Step 2: Convert to fraction form
612.75/963 = 963/x - Step 3: Cross multiply
612.75x = 963 × 963 - Step 4: Simplify right side
612.75x = 927,369 - Step 5: Solve for x
x = 927,369/612.75 - Step 6: Final answer
x = 1,513.45
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.