Finding the Third Proportional to 145,419,374 and 318,202,489
Calculator
Solution
The third proportional to 145,419,374 and 318,202,489 is: 696,281,528.52
Step by Step Solution
- Step 1: Write the proportion equation
145,419,374 : 318,202,489 = 318,202,489 : x - Step 2: Convert to fraction form
145,419,374/318,202,489 = 318,202,489/x - Step 3: Cross multiply
145,419,374x = 318,202,489 × 318,202,489 - Step 4: Simplify right side
145,419,374x = 101,252,824,005,795,120 - Step 5: Solve for x
x = 101,252,824,005,795,120/145,419,374 - Step 6: Final answer
x = 696,281,528.52
Related Problems
Find third proportional to 72,709,687 and 159,101,244.50
Half scale
Find third proportional to 290,838,748 and 636,404,978
Double scale
Find third proportional to 145,419,376 and 318,202,493
Similar ratio
Find third proportional to 218,129,061 and 477,303,733.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.