Finding the Third Proportional to 358,921.13 and 783,042.19
Calculator
Solution
The third proportional to 358,921.13 and 783,042.19 is: 1,708,328.17
Step by Step Solution
- Step 1: Write the proportion equation
358,921.13 : 783,042.19 = 783,042.19 : x - Step 2: Convert to fraction form
358,921.13/783,042.19 = 783,042.19/x - Step 3: Cross multiply
358,921.13x = 783,042.19 × 783,042.19 - Step 4: Simplify right side
358,921.13x = 613,155,067,404.79 - Step 5: Solve for x
x = 613,155,067,404.79/358,921.13 - Step 6: Final answer
x = 1,708,328.17
Related Problems
Find third proportional to 179,460.56 and 391,521.09
Half scale
Find third proportional to 717,842.25 and 1,566,084.38
Double scale
Find third proportional to 358,923 and 783,047
Similar ratio
Find third proportional to 538,381.69 and 1,174,563.28
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.