Finding the Third Proportional to 492,660,658 and 688,769,780
Calculator
Solution
The third proportional to 492,660,658 and 688,769,780 is: 962,942,346.09
Step by Step Solution
- Step 1: Write the proportion equation
492,660,658 : 688,769,780 = 688,769,780 : x - Step 2: Convert to fraction form
492,660,658/688,769,780 = 688,769,780/x - Step 3: Cross multiply
492,660,658x = 688,769,780 × 688,769,780 - Step 4: Simplify right side
492,660,658x = 474,403,809,841,248,384 - Step 5: Solve for x
x = 474,403,809,841,248,384/492,660,658 - Step 6: Final answer
x = 962,942,346.09
Related Problems
Find third proportional to 246,330,329 and 344,384,890
Half scale
Find third proportional to 985,321,316 and 1,377,539,560
Double scale
Find third proportional to 492,660,660 and 688,769,783
Similar ratio
Find third proportional to 738,990,987 and 1,033,154,670
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.