Finding the Third Proportional to 7,872,239 and 12,854,658
Calculator
Solution
The third proportional to 7,872,239 and 12,854,658 is: 20,990,499.95
Step by Step Solution
- Step 1: Write the proportion equation
7,872,239 : 12,854,658 = 12,854,658 : x - Step 2: Convert to fraction form
7,872,239/12,854,658 = 12,854,658/x - Step 3: Cross multiply
7,872,239x = 12,854,658 × 12,854,658 - Step 4: Simplify right side
7,872,239x = 165,242,232,296,964 - Step 5: Solve for x
x = 165,242,232,296,964/7,872,239 - Step 6: Final answer
x = 20,990,499.95
Related Problems
Find third proportional to 3,936,119.50 and 6,427,329
Half scale
Find third proportional to 15,744,478 and 25,709,316
Double scale
Find third proportional to 7,872,241 and 12,854,661
Similar ratio
Find third proportional to 11,808,358.50 and 19,281,987
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.