Finding the Third Proportional to 2,520 and 5,386.50
Calculator
Solution
The third proportional to 2,520 and 5,386.50 is: 11,513.64
Step by Step Solution
- Step 1: Write the proportion equation
2,520 : 5,386.50 = 5,386.50 : x - Step 2: Convert to fraction form
2,520/5,386.50 = 5,386.50/x - Step 3: Cross multiply
2,520x = 5,386.50 × 5,386.50 - Step 4: Simplify right side
2,520x = 29,014,382.25 - Step 5: Solve for x
x = 29,014,382.25/2,520 - Step 6: Final answer
x = 11,513.64
Related Problems
Find third proportional to 1,260 and 2,693.25
Half scale
Find third proportional to 5,040 and 10,773
Double scale
Find third proportional to 2,522 and 5,391
Similar ratio
Find third proportional to 3,780 and 8,079.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.