Finding the Third Proportional to 486,781.50 and 726,121.50
Calculator
Solution
The third proportional to 486,781.50 and 726,121.50 is: 1,083,139.83
Step by Step Solution
- Step 1: Write the proportion equation
486,781.50 : 726,121.50 = 726,121.50 : x - Step 2: Convert to fraction form
486,781.50/726,121.50 = 726,121.50/x - Step 3: Cross multiply
486,781.50x = 726,121.50 × 726,121.50 - Step 4: Simplify right side
486,781.50x = 527,252,432,762.25 - Step 5: Solve for x
x = 527,252,432,762.25/486,781.50 - Step 6: Final answer
x = 1,083,139.83
Related Problems
Find third proportional to 243,390.75 and 363,060.75
Half scale
Find third proportional to 973,563 and 1,452,243
Double scale
Find third proportional to 486,784 and 726,124
Similar ratio
Find third proportional to 730,172.25 and 1,089,182.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.