Finding the Third Proportional to 438,850 and 655,404
Calculator
Solution
The third proportional to 438,850 and 655,404 is: 978,818.28
Step by Step Solution
- Step 1: Write the proportion equation
438,850 : 655,404 = 655,404 : x - Step 2: Convert to fraction form
438,850/655,404 = 655,404/x - Step 3: Cross multiply
438,850x = 655,404 × 655,404 - Step 4: Simplify right side
438,850x = 429,554,403,216 - Step 5: Solve for x
x = 429,554,403,216/438,850 - Step 6: Final answer
x = 978,818.28
Related Problems
Find third proportional to 219,425 and 327,702
Half scale
Find third proportional to 877,700 and 1,310,808
Double scale
Find third proportional to 438,852 and 655,407
Similar ratio
Find third proportional to 658,275 and 983,106
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.