Finding the Third Proportional to 121,286,457 and 263,823,534
Calculator
Solution
The third proportional to 121,286,457 and 263,823,534 is: 573,871,632.61
Step by Step Solution
- Step 1: Write the proportion equation
121,286,457 : 263,823,534 = 263,823,534 : x - Step 2: Convert to fraction form
121,286,457/263,823,534 = 263,823,534/x - Step 3: Cross multiply
121,286,457x = 263,823,534 × 263,823,534 - Step 4: Simplify right side
121,286,457x = 69,602,857,092,249,152 - Step 5: Solve for x
x = 69,602,857,092,249,152/121,286,457 - Step 6: Final answer
x = 573,871,632.61
Related Problems
Find third proportional to 60,643,228.50 and 131,911,767
Half scale
Find third proportional to 242,572,914 and 527,647,068
Double scale
Find third proportional to 121,286,459 and 263,823,538
Similar ratio
Find third proportional to 181,929,685.50 and 395,735,301
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.