Finding the Third Proportional to 15,328,880 and 21,313,368
Calculator
Solution
The third proportional to 15,328,880 and 21,313,368 is: 29,634,236.52
Step by Step Solution
- Step 1: Write the proportion equation
15,328,880 : 21,313,368 = 21,313,368 : x - Step 2: Convert to fraction form
15,328,880/21,313,368 = 21,313,368/x - Step 3: Cross multiply
15,328,880x = 21,313,368 × 21,313,368 - Step 4: Simplify right side
15,328,880x = 454,259,655,503,424 - Step 5: Solve for x
x = 454,259,655,503,424/15,328,880 - Step 6: Final answer
x = 29,634,236.52
Related Problems
Find third proportional to 7,664,440 and 10,656,684
Half scale
Find third proportional to 30,657,760 and 42,626,736
Double scale
Find third proportional to 15,328,882 and 21,313,371
Similar ratio
Find third proportional to 22,993,320 and 31,970,052
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.