Finding the Third Proportional to 643,332 and 1,372,160
Calculator
Solution
The third proportional to 643,332 and 1,372,160 is: 2,926,674.04
Step by Step Solution
- Step 1: Write the proportion equation
643,332 : 1,372,160 = 1,372,160 : x - Step 2: Convert to fraction form
643,332/1,372,160 = 1,372,160/x - Step 3: Cross multiply
643,332x = 1,372,160 × 1,372,160 - Step 4: Simplify right side
643,332x = 1,882,823,065,600 - Step 5: Solve for x
x = 1,882,823,065,600/643,332 - Step 6: Final answer
x = 2,926,674.04
Related Problems
Find third proportional to 321,666 and 686,080
Half scale
Find third proportional to 1,286,664 and 2,744,320
Double scale
Find third proportional to 643,334 and 1,372,164
Similar ratio
Find third proportional to 964,998 and 2,058,240
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.