Finding the Third Proportional to 290,274,990 and 626,726,424
Calculator
Solution
The third proportional to 290,274,990 and 626,726,424 is: 1,353,151,404.95
Step by Step Solution
- Step 1: Write the proportion equation
290,274,990 : 626,726,424 = 626,726,424 : x - Step 2: Convert to fraction form
290,274,990/626,726,424 = 626,726,424/x - Step 3: Cross multiply
290,274,990x = 626,726,424 × 626,726,424 - Step 4: Simplify right side
290,274,990x = 392,786,010,539,827,776 - Step 5: Solve for x
x = 392,786,010,539,827,776/290,274,990 - Step 6: Final answer
x = 1,353,151,404.95
Related Problems
Find third proportional to 145,137,495 and 313,363,212
Half scale
Find third proportional to 580,549,980 and 1,253,452,848
Double scale
Find third proportional to 290,274,992 and 626,726,428
Similar ratio
Find third proportional to 435,412,485 and 940,089,636
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.