Finding the Third Proportional to 7,836,331.50 and 18,438,412
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Solution
The third proportional to 7,836,331.50 and 18,438,412 is: 43,384,463.39
Step by Step Solution
- Step 1: Write the proportion equation
7,836,331.50 : 18,438,412 = 18,438,412 : x - Step 2: Convert to fraction form
7,836,331.50/18,438,412 = 18,438,412/x - Step 3: Cross multiply
7,836,331.50x = 18,438,412 × 18,438,412 - Step 4: Simplify right side
7,836,331.50x = 339,975,037,081,744 - Step 5: Solve for x
x = 339,975,037,081,744/7,836,331.50 - Step 6: Final answer
x = 43,384,463.39
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Why These Related Problems?
These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.