Finding the Third Proportional to 218,709,992 and 307,642,692
Calculator
Solution
The third proportional to 218,709,992 and 307,642,692 is: 432,737,549.28
Step by Step Solution
- Step 1: Write the proportion equation
218,709,992 : 307,642,692 = 307,642,692 : x - Step 2: Convert to fraction form
218,709,992/307,642,692 = 307,642,692/x - Step 3: Cross multiply
218,709,992x = 307,642,692 × 307,642,692 - Step 4: Simplify right side
218,709,992x = 94,644,025,941,006,864 - Step 5: Solve for x
x = 94,644,025,941,006,864/218,709,992 - Step 6: Final answer
x = 432,737,549.28
Related Problems
Find third proportional to 109,354,996 and 153,821,346
Half scale
Find third proportional to 437,419,984 and 615,285,384
Double scale
Find third proportional to 218,709,994 and 307,642,695
Similar ratio
Find third proportional to 328,064,988 and 461,464,038
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.