Finding the Third Proportional to 572,430 and 1,243,275
Calculator
Solution
The third proportional to 572,430 and 1,243,275 is: 2,700,299.99
Step by Step Solution
- Step 1: Write the proportion equation
572,430 : 1,243,275 = 1,243,275 : x - Step 2: Convert to fraction form
572,430/1,243,275 = 1,243,275/x - Step 3: Cross multiply
572,430x = 1,243,275 × 1,243,275 - Step 4: Simplify right side
572,430x = 1,545,732,725,625 - Step 5: Solve for x
x = 1,545,732,725,625/572,430 - Step 6: Final answer
x = 2,700,299.99
Related Problems
Find third proportional to 286,215 and 621,637.50
Half scale
Find third proportional to 1,144,860 and 2,486,550
Double scale
Find third proportional to 572,432 and 1,243,279
Similar ratio
Find third proportional to 858,645 and 1,864,912.50
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.