Finding the Third Proportional to 221,924.81 and 343,245.09
Calculator
Solution
The third proportional to 221,924.81 and 343,245.09 is: 530,887.89
Step by Step Solution
- Step 1: Write the proportion equation
221,924.81 : 343,245.09 = 343,245.09 : x - Step 2: Convert to fraction form
221,924.81/343,245.09 = 343,245.09/x - Step 3: Cross multiply
221,924.81x = 343,245.09 × 343,245.09 - Step 4: Simplify right side
221,924.81x = 117,817,194,383.45 - Step 5: Solve for x
x = 117,817,194,383.45/221,924.81 - Step 6: Final answer
x = 530,887.89
Related Problems
Find third proportional to 110,962.41 and 171,622.55
Half scale
Find third proportional to 443,849.63 and 686,490.19
Double scale
Find third proportional to 221,927 and 343,248
Similar ratio
Find third proportional to 332,887.22 and 514,867.64
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.