Finding the Third Proportional to 7,486,740 and 15,328,138.50
Calculator
Solution
The third proportional to 7,486,740 and 15,328,138.50 is: 31,382,394.72
Step by Step Solution
- Step 1: Write the proportion equation
7,486,740 : 15,328,138.50 = 15,328,138.50 : x - Step 2: Convert to fraction form
7,486,740/15,328,138.50 = 15,328,138.50/x - Step 3: Cross multiply
7,486,740x = 15,328,138.50 × 15,328,138.50 - Step 4: Simplify right side
7,486,740x = 234,951,829,875,182.25 - Step 5: Solve for x
x = 234,951,829,875,182.25/7,486,740 - Step 6: Final answer
x = 31,382,394.72
Related Problems
Find third proportional to 3,743,370 and 7,664,069.25
Half scale
Find third proportional to 14,973,480 and 30,656,277
Double scale
Find third proportional to 7,486,742 and 15,328,143
Similar ratio
Find third proportional to 11,230,110 and 22,992,207.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.