Finding the Third Proportional to 712.50 and 813
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Solution
The third proportional to 712.50 and 813 is: 927.68
Step by Step Solution
- Step 1: Write the proportion equation
712.50 : 813 = 813 : x - Step 2: Convert to fraction form
712.50/813 = 813/x - Step 3: Cross multiply
712.50x = 813 × 813 - Step 4: Simplify right side
712.50x = 660,969 - Step 5: Solve for x
x = 660,969/712.50 - Step 6: Final answer
x = 927.68
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Why These Related Problems?
These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.