Finding the Third Proportional to 642,452,644 and 866,819,466
Calculator
Solution
The third proportional to 642,452,644 and 866,819,466 is: 1,169,542,990.68
Step by Step Solution
- Step 1: Write the proportion equation
642,452,644 : 866,819,466 = 866,819,466 : x - Step 2: Convert to fraction form
642,452,644/866,819,466 = 866,819,466/x - Step 3: Cross multiply
642,452,644x = 866,819,466 × 866,819,466 - Step 4: Simplify right side
642,452,644x = 751,375,986,636,525,184 - Step 5: Solve for x
x = 751,375,986,636,525,184/642,452,644 - Step 6: Final answer
x = 1,169,542,990.68
Related Problems
Find third proportional to 321,226,322 and 433,409,733
Half scale
Find third proportional to 1,284,905,288 and 1,733,638,932
Double scale
Find third proportional to 642,452,646 and 866,819,469
Similar ratio
Find third proportional to 963,678,966 and 1,300,229,199
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.