Finding the Third Proportional to 12,696.75 and 13,911.75
Calculator
Solution
The third proportional to 12,696.75 and 13,911.75 is: 15,243.02
Step by Step Solution
- Step 1: Write the proportion equation
12,696.75 : 13,911.75 = 13,911.75 : x - Step 2: Convert to fraction form
12,696.75/13,911.75 = 13,911.75/x - Step 3: Cross multiply
12,696.75x = 13,911.75 × 13,911.75 - Step 4: Simplify right side
12,696.75x = 193,536,788.06 - Step 5: Solve for x
x = 193,536,788.06/12,696.75 - Step 6: Final answer
x = 15,243.02
Related Problems
Find third proportional to 6,348.38 and 6,955.88
Half scale
Find third proportional to 25,393.50 and 27,823.50
Double scale
Find third proportional to 12,699 and 13,914
Similar ratio
Find third proportional to 19,045.13 and 20,867.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.