Finding the Third Proportional to 469.50 and 748.50
Calculator
Solution
The third proportional to 469.50 and 748.50 is: 1,193.30
Step by Step Solution
- Step 1: Write the proportion equation
469.50 : 748.50 = 748.50 : x - Step 2: Convert to fraction form
469.50/748.50 = 748.50/x - Step 3: Cross multiply
469.50x = 748.50 × 748.50 - Step 4: Simplify right side
469.50x = 560,252.25 - Step 5: Solve for x
x = 560,252.25/469.50 - Step 6: Final answer
x = 1,193.30
Related Problems
Find third proportional to 234.75 and 374.25
Half scale
Find third proportional to 939 and 1,497
Double scale
Find third proportional to 472 and 752
Similar ratio
Find third proportional to 704.25 and 1,122.75
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.