Finding the Third Proportional to 753 and 994.50
Calculator
Solution
The third proportional to 753 and 994.50 is: 1,313.45
Step by Step Solution
- Step 1: Write the proportion equation
753 : 994.50 = 994.50 : x - Step 2: Convert to fraction form
753/994.50 = 994.50/x - Step 3: Cross multiply
753x = 994.50 × 994.50 - Step 4: Simplify right side
753x = 989,030.25 - Step 5: Solve for x
x = 989,030.25/753 - Step 6: Final answer
x = 1,313.45
Related Problems
Find third proportional to 376.50 and 497.25
Half scale
Find third proportional to 1,506 and 1,989
Double scale
Find third proportional to 755 and 997
Similar ratio
Find third proportional to 1,129.50 and 1,491.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.