Finding the Third Proportional to 131,756,811 and 286,194,816
Calculator
Solution
The third proportional to 131,756,811 and 286,194,816 is: 621,656,459.99
Step by Step Solution
- Step 1: Write the proportion equation
131,756,811 : 286,194,816 = 286,194,816 : x - Step 2: Convert to fraction form
131,756,811/286,194,816 = 286,194,816/x - Step 3: Cross multiply
131,756,811x = 286,194,816 × 286,194,816 - Step 4: Simplify right side
131,756,811x = 81,907,472,705,273,856 - Step 5: Solve for x
x = 81,907,472,705,273,856/131,756,811 - Step 6: Final answer
x = 621,656,459.99
Related Problems
Find third proportional to 65,878,405.50 and 143,097,408
Half scale
Find third proportional to 263,513,622 and 572,389,632
Double scale
Find third proportional to 131,756,813 and 286,194,820
Similar ratio
Find third proportional to 197,635,216.50 and 429,292,224
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.