Finding the Third Proportional to 121,239.50 and 263,461.75
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Solution
The third proportional to 121,239.50 and 263,461.75 is: 572,520.46
Step by Step Solution
- Step 1: Write the proportion equation
121,239.50 : 263,461.75 = 263,461.75 : x - Step 2: Convert to fraction form
121,239.50/263,461.75 = 263,461.75/x - Step 3: Cross multiply
121,239.50x = 263,461.75 × 263,461.75 - Step 4: Simplify right side
121,239.50x = 69,412,093,713.06 - Step 5: Solve for x
x = 69,412,093,713.06/121,239.50 - Step 6: Final answer
x = 572,520.46
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.