Finding the Third Proportional to 438 and 958.50
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Solution
The third proportional to 438 and 958.50 is: 2,097.54
Step by Step Solution
- Step 1: Write the proportion equation
438 : 958.50 = 958.50 : x - Step 2: Convert to fraction form
438/958.50 = 958.50/x - Step 3: Cross multiply
438x = 958.50 × 958.50 - Step 4: Simplify right side
438x = 918,722.25 - Step 5: Solve for x
x = 918,722.25/438 - Step 6: Final answer
x = 2,097.54
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.