Finding the Third Proportional to 18,268,428.09 and 37,831,782.09
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Solution
The third proportional to 18,268,428.09 and 37,831,782.09 is: 78,345,204.58
Step by Step Solution
- Step 1: Write the proportion equation
18,268,428.09 : 37,831,782.09 = 37,831,782.09 : x - Step 2: Convert to fraction form
18,268,428.09/37,831,782.09 = 37,831,782.09/x - Step 3: Cross multiply
18,268,428.09x = 37,831,782.09 × 37,831,782.09 - Step 4: Simplify right side
18,268,428.09x = 1,431,243,736,388,983.25 - Step 5: Solve for x
x = 1,431,243,736,388,983.25/18,268,428.09 - Step 6: Final answer
x = 78,345,204.58
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.