Finding the Third Proportional to 51,408.75 and 77,763.75
Calculator
Solution
The third proportional to 51,408.75 and 77,763.75 is: 117,629.80
Step by Step Solution
- Step 1: Write the proportion equation
51,408.75 : 77,763.75 = 77,763.75 : x - Step 2: Convert to fraction form
51,408.75/77,763.75 = 77,763.75/x - Step 3: Cross multiply
51,408.75x = 77,763.75 × 77,763.75 - Step 4: Simplify right side
51,408.75x = 6,047,200,814.06 - Step 5: Solve for x
x = 6,047,200,814.06/51,408.75 - Step 6: Final answer
x = 117,629.80
Related Problems
Find third proportional to 25,704.38 and 38,881.88
Half scale
Find third proportional to 102,817.50 and 155,527.50
Double scale
Find third proportional to 51,411 and 77,767
Similar ratio
Find third proportional to 77,113.13 and 116,645.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.