Finding the Third Proportional to 31,679.75 and 68,587.75
Calculator
Solution
The third proportional to 31,679.75 and 68,587.75 is: 148,494.84
Step by Step Solution
- Step 1: Write the proportion equation
31,679.75 : 68,587.75 = 68,587.75 : x - Step 2: Convert to fraction form
31,679.75/68,587.75 = 68,587.75/x - Step 3: Cross multiply
31,679.75x = 68,587.75 × 68,587.75 - Step 4: Simplify right side
31,679.75x = 4,704,279,450.06 - Step 5: Solve for x
x = 4,704,279,450.06/31,679.75 - Step 6: Final answer
x = 148,494.84
Related Problems
Find third proportional to 15,839.88 and 34,293.88
Half scale
Find third proportional to 63,359.50 and 137,175.50
Double scale
Find third proportional to 31,682 and 68,592
Similar ratio
Find third proportional to 47,519.63 and 102,881.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.