Finding the Third Proportional to 121,440,438 and 260,236,908
Calculator
Solution
The third proportional to 121,440,438 and 260,236,908 is: 557,666,370.45
Step by Step Solution
- Step 1: Write the proportion equation
121,440,438 : 260,236,908 = 260,236,908 : x - Step 2: Convert to fraction form
121,440,438/260,236,908 = 260,236,908/x - Step 3: Cross multiply
121,440,438x = 260,236,908 × 260,236,908 - Step 4: Simplify right side
121,440,438x = 67,723,248,285,400,464 - Step 5: Solve for x
x = 67,723,248,285,400,464/121,440,438 - Step 6: Final answer
x = 557,666,370.45
Related Problems
Find third proportional to 60,720,219 and 130,118,454
Half scale
Find third proportional to 242,880,876 and 520,473,816
Double scale
Find third proportional to 121,440,440 and 260,236,912
Similar ratio
Find third proportional to 182,160,657 and 390,355,362
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.