Finding the Third Proportional to 72,070,513 and 155,478,433
Calculator
Solution
The third proportional to 72,070,513 and 155,478,433 is: 335,415,166.65
Step by Step Solution
- Step 1: Write the proportion equation
72,070,513 : 155,478,433 = 155,478,433 : x - Step 2: Convert to fraction form
72,070,513/155,478,433 = 155,478,433/x - Step 3: Cross multiply
72,070,513x = 155,478,433 × 155,478,433 - Step 4: Simplify right side
72,070,513x = 24,173,543,128,135,488 - Step 5: Solve for x
x = 24,173,543,128,135,488/72,070,513 - Step 6: Final answer
x = 335,415,166.65
Related Problems
Find third proportional to 36,035,256.50 and 77,739,216.50
Half scale
Find third proportional to 144,141,026 and 310,956,866
Double scale
Find third proportional to 72,070,515 and 155,478,437
Similar ratio
Find third proportional to 108,105,769.50 and 233,217,649.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.