Finding the Third Proportional to 515,745 and 1,107,660
Calculator
Solution
The third proportional to 515,745 and 1,107,660 is: 2,378,909.49
Step by Step Solution
- Step 1: Write the proportion equation
515,745 : 1,107,660 = 1,107,660 : x - Step 2: Convert to fraction form
515,745/1,107,660 = 1,107,660/x - Step 3: Cross multiply
515,745x = 1,107,660 × 1,107,660 - Step 4: Simplify right side
515,745x = 1,226,910,675,600 - Step 5: Solve for x
x = 1,226,910,675,600/515,745 - Step 6: Final answer
x = 2,378,909.49
Related Problems
Find third proportional to 257,872.50 and 553,830
Half scale
Find third proportional to 1,031,490 and 2,215,320
Double scale
Find third proportional to 515,747 and 1,107,664
Similar ratio
Find third proportional to 773,617.50 and 1,661,490
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.