Finding the Third Proportional to 129,965,283 and 285,436,008
Calculator
Solution
The third proportional to 129,965,283 and 285,436,008 is: 626,888,294.95
Step by Step Solution
- Step 1: Write the proportion equation
129,965,283 : 285,436,008 = 285,436,008 : x - Step 2: Convert to fraction form
129,965,283/285,436,008 = 285,436,008/x - Step 3: Cross multiply
129,965,283x = 285,436,008 × 285,436,008 - Step 4: Simplify right side
129,965,283x = 81,473,714,662,976,064 - Step 5: Solve for x
x = 81,473,714,662,976,064/129,965,283 - Step 6: Final answer
x = 626,888,294.95
Related Problems
Find third proportional to 64,982,641.50 and 142,718,004
Half scale
Find third proportional to 259,930,566 and 570,872,016
Double scale
Find third proportional to 129,965,285 and 285,436,012
Similar ratio
Find third proportional to 194,947,924.50 and 428,154,012
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.