Finding the Third Proportional to 618 and 895.50
Calculator
Solution
The third proportional to 618 and 895.50 is: 1,297.61
Step by Step Solution
- Step 1: Write the proportion equation
618 : 895.50 = 895.50 : x - Step 2: Convert to fraction form
618/895.50 = 895.50/x - Step 3: Cross multiply
618x = 895.50 × 895.50 - Step 4: Simplify right side
618x = 801,920.25 - Step 5: Solve for x
x = 801,920.25/618 - Step 6: Final answer
x = 1,297.61
Related Problems
Find third proportional to 309 and 447.75
Half scale
Find third proportional to 1,236 and 1,791
Double scale
Find third proportional to 620 and 898
Similar ratio
Find third proportional to 927 and 1,343.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.