Finding the Third Proportional to 145,649.81 and 311,539.08
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Solution
The third proportional to 145,649.81 and 311,539.08 is: 666,369.53
Step by Step Solution
- Step 1: Write the proportion equation
145,649.81 : 311,539.08 = 311,539.08 : x - Step 2: Convert to fraction form
145,649.81/311,539.08 = 311,539.08/x - Step 3: Cross multiply
145,649.81x = 311,539.08 × 311,539.08 - Step 4: Simplify right side
145,649.81x = 97,056,597,198.97 - Step 5: Solve for x
x = 97,056,597,198.97/145,649.81 - Step 6: Final answer
x = 666,369.53
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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.