Finding the Third Proportional to 171,908.50 and 258,187.50
Calculator
Solution
The third proportional to 171,908.50 and 258,187.50 is: 387,768.99
Step by Step Solution
- Step 1: Write the proportion equation
171,908.50 : 258,187.50 = 258,187.50 : x - Step 2: Convert to fraction form
171,908.50/258,187.50 = 258,187.50/x - Step 3: Cross multiply
171,908.50x = 258,187.50 × 258,187.50 - Step 4: Simplify right side
171,908.50x = 66,660,785,156.25 - Step 5: Solve for x
x = 66,660,785,156.25/171,908.50 - Step 6: Final answer
x = 387,768.99
Related Problems
Find third proportional to 85,954.25 and 129,093.75
Half scale
Find third proportional to 343,817 and 516,375
Double scale
Find third proportional to 171,911 and 258,191
Similar ratio
Find third proportional to 257,862.75 and 387,281.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.