Finding the Third Proportional to 67,969.13 and 145,779.75
Calculator
Solution
The third proportional to 67,969.13 and 145,779.75 is: 312,667.49
Step by Step Solution
- Step 1: Write the proportion equation
67,969.13 : 145,779.75 = 145,779.75 : x - Step 2: Convert to fraction form
67,969.13/145,779.75 = 145,779.75/x - Step 3: Cross multiply
67,969.13x = 145,779.75 × 145,779.75 - Step 4: Simplify right side
67,969.13x = 21,251,735,510.06 - Step 5: Solve for x
x = 21,251,735,510.06/67,969.13 - Step 6: Final answer
x = 312,667.49
Related Problems
Find third proportional to 33,984.56 and 72,889.88
Half scale
Find third proportional to 135,938.25 and 291,559.50
Double scale
Find third proportional to 67,971 and 145,784
Similar ratio
Find third proportional to 101,953.69 and 218,669.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.