Finding the Third Proportional to 15,117.75 and 19,281.75
Calculator
Solution
The third proportional to 15,117.75 and 19,281.75 is: 24,592.67
Step by Step Solution
- Step 1: Write the proportion equation
15,117.75 : 19,281.75 = 19,281.75 : x - Step 2: Convert to fraction form
15,117.75/19,281.75 = 19,281.75/x - Step 3: Cross multiply
15,117.75x = 19,281.75 × 19,281.75 - Step 4: Simplify right side
15,117.75x = 371,785,883.06 - Step 5: Solve for x
x = 371,785,883.06/15,117.75 - Step 6: Final answer
x = 24,592.67
Related Problems
Find third proportional to 7,558.88 and 9,640.88
Half scale
Find third proportional to 30,235.50 and 38,563.50
Double scale
Find third proportional to 15,120 and 19,284
Similar ratio
Find third proportional to 22,676.63 and 28,922.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.