Finding the Third Proportional to 777,555.75 and 1,217,121.75
Calculator
Solution
The third proportional to 777,555.75 and 1,217,121.75 is: 1,905,182.17
Step by Step Solution
- Step 1: Write the proportion equation
777,555.75 : 1,217,121.75 = 1,217,121.75 : x - Step 2: Convert to fraction form
777,555.75/1,217,121.75 = 1,217,121.75/x - Step 3: Cross multiply
777,555.75x = 1,217,121.75 × 1,217,121.75 - Step 4: Simplify right side
777,555.75x = 1,481,385,354,323.06 - Step 5: Solve for x
x = 1,481,385,354,323.06/777,555.75 - Step 6: Final answer
x = 1,905,182.17
Related Problems
Find third proportional to 388,777.88 and 608,560.88
Half scale
Find third proportional to 1,555,111.50 and 2,434,243.50
Double scale
Find third proportional to 777,558 and 1,217,125
Similar ratio
Find third proportional to 1,166,333.63 and 1,825,682.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.