Finding the Third Proportional to 749 and 907
Calculator
Solution
The third proportional to 749 and 907 is: 1,098.33
Step by Step Solution
- Step 1: Write the proportion equation
749 : 907 = 907 : x - Step 2: Convert to fraction form
749/907 = 907/x - Step 3: Cross multiply
749x = 907 × 907 - Step 4: Simplify right side
749x = 822,649 - Step 5: Solve for x
x = 822,649/749 - Step 6: Final answer
x = 1,098.33
Related Problems
Find third proportional to 374.50 and 453.50
Half scale
Find third proportional to 1,498 and 1,814
Double scale
Find third proportional to 751 and 909
Similar ratio
Find third proportional to 1,123.50 and 1,360.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.