Finding the Third Proportional to 386 and 870.50
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Solution
The third proportional to 386 and 870.50 is: 1,963.14
Step by Step Solution
- Step 1: Write the proportion equation
386 : 870.50 = 870.50 : x - Step 2: Convert to fraction form
386/870.50 = 870.50/x - Step 3: Cross multiply
386x = 870.50 × 870.50 - Step 4: Simplify right side
386x = 757,770.25 - Step 5: Solve for x
x = 757,770.25/386 - Step 6: Final answer
x = 1,963.14
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Why These Related Problems?
These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.