Finding the Third Proportional to 3,128,220 and 6,854,382
Calculator
Solution
The third proportional to 3,128,220 and 6,854,382 is: 15,018,941.32
Step by Step Solution
- Step 1: Write the proportion equation
3,128,220 : 6,854,382 = 6,854,382 : x - Step 2: Convert to fraction form
3,128,220/6,854,382 = 6,854,382/x - Step 3: Cross multiply
3,128,220x = 6,854,382 × 6,854,382 - Step 4: Simplify right side
3,128,220x = 46,982,552,601,924 - Step 5: Solve for x
x = 46,982,552,601,924/3,128,220 - Step 6: Final answer
x = 15,018,941.32
Related Problems
Find third proportional to 1,564,110 and 3,427,191
Half scale
Find third proportional to 6,256,440 and 13,708,764
Double scale
Find third proportional to 3,128,222 and 6,854,386
Similar ratio
Find third proportional to 4,692,330 and 10,281,573
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.