Finding the Third Proportional to 78,122,076 and 165,101,484
Calculator
Solution
The third proportional to 78,122,076 and 165,101,484 is: 348,921,859.41
Step by Step Solution
- Step 1: Write the proportion equation
78,122,076 : 165,101,484 = 165,101,484 : x - Step 2: Convert to fraction form
78,122,076/165,101,484 = 165,101,484/x - Step 3: Cross multiply
78,122,076x = 165,101,484 × 165,101,484 - Step 4: Simplify right side
78,122,076x = 27,258,500,019,002,256 - Step 5: Solve for x
x = 27,258,500,019,002,256/78,122,076 - Step 6: Final answer
x = 348,921,859.41
Related Problems
Find third proportional to 39,061,038 and 82,550,742
Half scale
Find third proportional to 156,244,152 and 330,202,968
Double scale
Find third proportional to 78,122,078 and 165,101,488
Similar ratio
Find third proportional to 117,183,114 and 247,652,226
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.