Finding the Third Proportional to 81,868,492 and 179,118,884
Calculator
Solution
The third proportional to 81,868,492 and 179,118,884 is: 391,891,603.49
Step by Step Solution
- Step 1: Write the proportion equation
81,868,492 : 179,118,884 = 179,118,884 : x - Step 2: Convert to fraction form
81,868,492/179,118,884 = 179,118,884/x - Step 3: Cross multiply
81,868,492x = 179,118,884 × 179,118,884 - Step 4: Simplify right side
81,868,492x = 32,083,574,605,405,456 - Step 5: Solve for x
x = 32,083,574,605,405,456/81,868,492 - Step 6: Final answer
x = 391,891,603.49
Related Problems
Find third proportional to 40,934,246 and 89,559,442
Half scale
Find third proportional to 163,736,984 and 358,237,768
Double scale
Find third proportional to 81,868,494 and 179,118,888
Similar ratio
Find third proportional to 122,802,738 and 268,678,326
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.