Finding the Third Proportional to 129,030 and 202,761
Calculator
Solution
The third proportional to 129,030 and 202,761 is: 318,623.76
Step by Step Solution
- Step 1: Write the proportion equation
129,030 : 202,761 = 202,761 : x - Step 2: Convert to fraction form
129,030/202,761 = 202,761/x - Step 3: Cross multiply
129,030x = 202,761 × 202,761 - Step 4: Simplify right side
129,030x = 41,112,023,121 - Step 5: Solve for x
x = 41,112,023,121/129,030 - Step 6: Final answer
x = 318,623.76
Related Problems
Find third proportional to 64,515 and 101,380.50
Half scale
Find third proportional to 258,060 and 405,522
Double scale
Find third proportional to 129,032 and 202,764
Similar ratio
Find third proportional to 193,545 and 304,141.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.