Finding the Third Proportional to 212,979,013 and 304,351,975
Calculator
Solution
The third proportional to 212,979,013 and 304,351,975 is: 434,926,067.98
Step by Step Solution
- Step 1: Write the proportion equation
212,979,013 : 304,351,975 = 304,351,975 : x - Step 2: Convert to fraction form
212,979,013/304,351,975 = 304,351,975/x - Step 3: Cross multiply
212,979,013x = 304,351,975 × 304,351,975 - Step 4: Simplify right side
212,979,013x = 92,630,124,686,400,624 - Step 5: Solve for x
x = 92,630,124,686,400,624/212,979,013 - Step 6: Final answer
x = 434,926,067.98
Related Problems
Find third proportional to 106,489,506.50 and 152,175,987.50
Half scale
Find third proportional to 425,958,026 and 608,703,950
Double scale
Find third proportional to 212,979,015 and 304,351,978
Similar ratio
Find third proportional to 319,468,519.50 and 456,527,962.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.