Finding the Third Proportional to 867 and 928.50
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Solution
The third proportional to 867 and 928.50 is: 994.36
Step by Step Solution
- Step 1: Write the proportion equation
867 : 928.50 = 928.50 : x - Step 2: Convert to fraction form
867/928.50 = 928.50/x - Step 3: Cross multiply
867x = 928.50 × 928.50 - Step 4: Simplify right side
867x = 862,112.25 - Step 5: Solve for x
x = 862,112.25/867 - Step 6: Final answer
x = 994.36
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Why These Related Problems?
These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.