Finding the Third Proportional to 9,753 and 21,405
Calculator
Solution
The third proportional to 9,753 and 21,405 is: 46,977.75
Step by Step Solution
- Step 1: Write the proportion equation
9,753 : 21,405 = 21,405 : x - Step 2: Convert to fraction form
9,753/21,405 = 21,405/x - Step 3: Cross multiply
9,753x = 21,405 × 21,405 - Step 4: Simplify right side
9,753x = 458,174,025 - Step 5: Solve for x
x = 458,174,025/9,753 - Step 6: Final answer
x = 46,977.75
Related Problems
Find third proportional to 4,876.50 and 10,702.50
Half scale
Find third proportional to 19,506 and 42,810
Double scale
Find third proportional to 9,755 and 21,409
Similar ratio
Find third proportional to 14,629.50 and 32,107.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.