Finding the Third Proportional to 630,845,739 and 1,380,615,435
Calculator
Solution
The third proportional to 630,845,739 and 1,380,615,435 is: 3,021,497,747.42
Step by Step Solution
- Step 1: Write the proportion equation
630,845,739 : 1,380,615,435 = 1,380,615,435 : x - Step 2: Convert to fraction form
630,845,739/1,380,615,435 = 1,380,615,435/x - Step 3: Cross multiply
630,845,739x = 1,380,615,435 × 1,380,615,435 - Step 4: Simplify right side
630,845,739x = 1,906,098,979,360,239,104 - Step 5: Solve for x
x = 1,906,098,979,360,239,104/630,845,739 - Step 6: Final answer
x = 3,021,497,747.42
Related Problems
Find third proportional to 315,422,869.50 and 690,307,717.50
Half scale
Find third proportional to 1,261,691,478 and 2,761,230,870
Double scale
Find third proportional to 630,845,741 and 1,380,615,439
Similar ratio
Find third proportional to 946,268,608.50 and 2,070,923,152.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.