Finding the Third Proportional to 135,442.50 and 201,213.75
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Solution
The third proportional to 135,442.50 and 201,213.75 is: 298,923.70
Step by Step Solution
- Step 1: Write the proportion equation
135,442.50 : 201,213.75 = 201,213.75 : x - Step 2: Convert to fraction form
135,442.50/201,213.75 = 201,213.75/x - Step 3: Cross multiply
135,442.50x = 201,213.75 × 201,213.75 - Step 4: Simplify right side
135,442.50x = 40,486,973,189.06 - Step 5: Solve for x
x = 40,486,973,189.06/135,442.50 - Step 6: Final answer
x = 298,923.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.