Finding the Third Proportional to 139.50 and 265
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Solution
The third proportional to 139.50 and 265 is: 503.41
Step by Step Solution
- Step 1: Write the proportion equation
139.50 : 265 = 265 : x - Step 2: Convert to fraction form
139.50/265 = 265/x - Step 3: Cross multiply
139.50x = 265 × 265 - Step 4: Simplify right side
139.50x = 70,225 - Step 5: Solve for x
x = 70,225/139.50 - Step 6: Final answer
x = 503.41
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Why These Related Problems?
These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.