Finding the Third Proportional to 439 and 1,157.50
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Solution
The third proportional to 439 and 1,157.50 is: 3,051.95
Step by Step Solution
- Step 1: Write the proportion equation
439 : 1,157.50 = 1,157.50 : x - Step 2: Convert to fraction form
439/1,157.50 = 1,157.50/x - Step 3: Cross multiply
439x = 1,157.50 × 1,157.50 - Step 4: Simplify right side
439x = 1,339,806.25 - Step 5: Solve for x
x = 1,339,806.25/439 - Step 6: Final answer
x = 3,051.95
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Why These Related Problems?
These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.