Finding the Third Proportional to 729,378 and 1,070,402.50
Calculator
Solution
The third proportional to 729,378 and 1,070,402.50 is: 1,570,874.79
Step by Step Solution
- Step 1: Write the proportion equation
729,378 : 1,070,402.50 = 1,070,402.50 : x - Step 2: Convert to fraction form
729,378/1,070,402.50 = 1,070,402.50/x - Step 3: Cross multiply
729,378x = 1,070,402.50 × 1,070,402.50 - Step 4: Simplify right side
729,378x = 1,145,761,512,006.25 - Step 5: Solve for x
x = 1,145,761,512,006.25/729,378 - Step 6: Final answer
x = 1,570,874.79
Related Problems
Find third proportional to 364,689 and 535,201.25
Half scale
Find third proportional to 1,458,756 and 2,140,805
Double scale
Find third proportional to 729,380 and 1,070,405
Similar ratio
Find third proportional to 1,094,067 and 1,605,603.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.