Finding the Third Proportional to 430,659,660 and 668,133,663
Calculator
Solution
The third proportional to 430,659,660 and 668,133,663 is: 1,036,555,389.55
Step by Step Solution
- Step 1: Write the proportion equation
430,659,660 : 668,133,663 = 668,133,663 : x - Step 2: Convert to fraction form
430,659,660/668,133,663 = 668,133,663/x - Step 3: Cross multiply
430,659,660x = 668,133,663 × 668,133,663 - Step 4: Simplify right side
430,659,660x = 446,402,591,633,797,568 - Step 5: Solve for x
x = 446,402,591,633,797,568/430,659,660 - Step 6: Final answer
x = 1,036,555,389.55
Related Problems
Find third proportional to 215,329,830 and 334,066,831.50
Half scale
Find third proportional to 861,319,320 and 1,336,267,326
Double scale
Find third proportional to 430,659,662 and 668,133,666
Similar ratio
Find third proportional to 645,989,490 and 1,002,200,494.50
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.