Finding the Third Proportional to 201,642.75 and 309,513.75
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Solution
The third proportional to 201,642.75 and 309,513.75 is: 475,091.52
Step by Step Solution
- Step 1: Write the proportion equation
201,642.75 : 309,513.75 = 309,513.75 : x - Step 2: Convert to fraction form
201,642.75/309,513.75 = 309,513.75/x - Step 3: Cross multiply
201,642.75x = 309,513.75 × 309,513.75 - Step 4: Simplify right side
201,642.75x = 95,798,761,439.06 - Step 5: Solve for x
x = 95,798,761,439.06/201,642.75 - Step 6: Final answer
x = 475,091.52
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.