Finding the Third Proportional to 857 and 1,052
Calculator
Solution
The third proportional to 857 and 1,052 is: 1,291.37
Step by Step Solution
- Step 1: Write the proportion equation
857 : 1,052 = 1,052 : x - Step 2: Convert to fraction form
857/1,052 = 1,052/x - Step 3: Cross multiply
857x = 1,052 × 1,052 - Step 4: Simplify right side
857x = 1,106,704 - Step 5: Solve for x
x = 1,106,704/857 - Step 6: Final answer
x = 1,291.37
Related Problems
Find third proportional to 428.50 and 526
Half scale
Find third proportional to 1,714 and 2,104
Double scale
Find third proportional to 859 and 1,054
Similar ratio
Find third proportional to 1,285.50 and 1,578
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.