Finding the Third Proportional to 138,845,442 and 289,183,038
Calculator
Solution
The third proportional to 138,845,442 and 289,183,038 is: 602,301,582.70
Step by Step Solution
- Step 1: Write the proportion equation
138,845,442 : 289,183,038 = 289,183,038 : x - Step 2: Convert to fraction form
138,845,442/289,183,038 = 289,183,038/x - Step 3: Cross multiply
138,845,442x = 289,183,038 × 289,183,038 - Step 4: Simplify right side
138,845,442x = 83,626,829,466,909,440 - Step 5: Solve for x
x = 83,626,829,466,909,440/138,845,442 - Step 6: Final answer
x = 602,301,582.70
Related Problems
Find third proportional to 69,422,721 and 144,591,519
Half scale
Find third proportional to 277,690,884 and 578,366,076
Double scale
Find third proportional to 138,845,444 and 289,183,042
Similar ratio
Find third proportional to 208,268,163 and 433,774,557
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.