Finding the Third Proportional to 431,412.75 and 675,276.75
Calculator
Solution
The third proportional to 431,412.75 and 675,276.75 is: 1,056,989.37
Step by Step Solution
- Step 1: Write the proportion equation
431,412.75 : 675,276.75 = 675,276.75 : x - Step 2: Convert to fraction form
431,412.75/675,276.75 = 675,276.75/x - Step 3: Cross multiply
431,412.75x = 675,276.75 × 675,276.75 - Step 4: Simplify right side
431,412.75x = 455,998,689,090.56 - Step 5: Solve for x
x = 455,998,689,090.56/431,412.75 - Step 6: Final answer
x = 1,056,989.37
Related Problems
Find third proportional to 215,706.38 and 337,638.38
Half scale
Find third proportional to 862,825.50 and 1,350,553.50
Double scale
Find third proportional to 431,415 and 675,280
Similar ratio
Find third proportional to 647,119.13 and 1,012,915.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.