Finding the Third Proportional to 269.50 and 439
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Solution
The third proportional to 269.50 and 439 is: 715.11
Step by Step Solution
- Step 1: Write the proportion equation
269.50 : 439 = 439 : x - Step 2: Convert to fraction form
269.50/439 = 439/x - Step 3: Cross multiply
269.50x = 439 × 439 - Step 4: Simplify right side
269.50x = 192,721 - Step 5: Solve for x
x = 192,721/269.50 - Step 6: Final answer
x = 715.11
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.