Finding the Third Proportional to 172,519 and 375,412
Calculator
Solution
The third proportional to 172,519 and 375,412 is: 816,919.70
Step by Step Solution
- Step 1: Write the proportion equation
172,519 : 375,412 = 375,412 : x - Step 2: Convert to fraction form
172,519/375,412 = 375,412/x - Step 3: Cross multiply
172,519x = 375,412 × 375,412 - Step 4: Simplify right side
172,519x = 140,934,169,744 - Step 5: Solve for x
x = 140,934,169,744/172,519 - Step 6: Final answer
x = 816,919.70
Related Problems
Find third proportional to 86,259.50 and 187,706
Half scale
Find third proportional to 345,038 and 750,824
Double scale
Find third proportional to 172,521 and 375,416
Similar ratio
Find third proportional to 258,778.50 and 563,118
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.