Finding the Third Proportional to 9,702,309.09 and 19,689,725.53
Calculator
Solution
The third proportional to 9,702,309.09 and 19,689,725.53 is: 39,958,043.78
Step by Step Solution
- Step 1: Write the proportion equation
9,702,309.09 : 19,689,725.53 = 19,689,725.53 : x - Step 2: Convert to fraction form
9,702,309.09/19,689,725.53 = 19,689,725.53/x - Step 3: Cross multiply
9,702,309.09x = 19,689,725.53 × 19,689,725.53 - Step 4: Simplify right side
9,702,309.09x = 387,685,291,495,958.12 - Step 5: Solve for x
x = 387,685,291,495,958.12/9,702,309.09 - Step 6: Final answer
x = 39,958,043.78
Related Problems
Find third proportional to 4,851,154.55 and 9,844,862.77
Half scale
Find third proportional to 19,404,618.19 and 39,379,451.06
Double scale
Find third proportional to 9,702,311 and 19,689,730
Similar ratio
Find third proportional to 14,553,463.64 and 29,534,588.30
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.