Finding the Third Proportional to 418,867,998 and 674,907,930
Calculator
Solution
The third proportional to 418,867,998 and 674,907,930 is: 1,087,456,468.75
Step by Step Solution
- Step 1: Write the proportion equation
418,867,998 : 674,907,930 = 674,907,930 : x - Step 2: Convert to fraction form
418,867,998/674,907,930 = 674,907,930/x - Step 3: Cross multiply
418,867,998x = 674,907,930 × 674,907,930 - Step 4: Simplify right side
418,867,998x = 455,500,713,976,884,928 - Step 5: Solve for x
x = 455,500,713,976,884,928/418,867,998 - Step 6: Final answer
x = 1,087,456,468.75
Related Problems
Find third proportional to 209,433,999 and 337,453,965
Half scale
Find third proportional to 837,735,996 and 1,349,815,860
Double scale
Find third proportional to 418,868,000 and 674,907,933
Similar ratio
Find third proportional to 628,301,997 and 1,012,361,895
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.