Finding the Third Proportional to 18.50 and 29.50
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Solution
The third proportional to 18.50 and 29.50 is: 47.04
Step by Step Solution
- Step 1: Write the proportion equation
18.50 : 29.50 = 29.50 : x - Step 2: Convert to fraction form
18.50/29.50 = 29.50/x - Step 3: Cross multiply
18.50x = 29.50 × 29.50 - Step 4: Simplify right side
18.50x = 870.25 - Step 5: Solve for x
x = 870.25/18.50 - Step 6: Final answer
x = 47.04
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.