Finding the Third Proportional to 217,697.63 and 512,221.50
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Solution
The third proportional to 217,697.63 and 512,221.50 is: 1,205,207.75
Step by Step Solution
- Step 1: Write the proportion equation
217,697.63 : 512,221.50 = 512,221.50 : x - Step 2: Convert to fraction form
217,697.63/512,221.50 = 512,221.50/x - Step 3: Cross multiply
217,697.63x = 512,221.50 × 512,221.50 - Step 4: Simplify right side
217,697.63x = 262,370,865,062.25 - Step 5: Solve for x
x = 262,370,865,062.25/217,697.63 - Step 6: Final answer
x = 1,205,207.75
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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.