Finding the Third Proportional to 733.50 and 991.13
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Solution
The third proportional to 733.50 and 991.13 is: 1,339.23
Step by Step Solution
- Step 1: Write the proportion equation
733.50 : 991.13 = 991.13 : x - Step 2: Convert to fraction form
733.50/991.13 = 991.13/x - Step 3: Cross multiply
733.50x = 991.13 × 991.13 - Step 4: Simplify right side
733.50x = 982,328.77 - Step 5: Solve for x
x = 982,328.77/733.50 - Step 6: Final answer
x = 1,339.23
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.