Finding the Third Proportional to 89 and 133.50
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Solution
The third proportional to 89 and 133.50 is: 200.25
Step by Step Solution
- Step 1: Write the proportion equation
89 : 133.50 = 133.50 : x - Step 2: Convert to fraction form
89/133.50 = 133.50/x - Step 3: Cross multiply
89x = 133.50 × 133.50 - Step 4: Simplify right side
89x = 17,822.25 - Step 5: Solve for x
x = 17,822.25/89 - Step 6: Final answer
x = 200.25
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.