Finding the Third Proportional to 211 and 359.50
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Solution
The third proportional to 211 and 359.50 is: 612.51
Step by Step Solution
- Step 1: Write the proportion equation
211 : 359.50 = 359.50 : x - Step 2: Convert to fraction form
211/359.50 = 359.50/x - Step 3: Cross multiply
211x = 359.50 × 359.50 - Step 4: Simplify right side
211x = 129,240.25 - Step 5: Solve for x
x = 129,240.25/211 - Step 6: Final answer
x = 612.51
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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.