Finding the Third Proportional to 422.25 and 909.75
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Solution
The third proportional to 422.25 and 909.75 is: 1,960.08
Step by Step Solution
- Step 1: Write the proportion equation
422.25 : 909.75 = 909.75 : x - Step 2: Convert to fraction form
422.25/909.75 = 909.75/x - Step 3: Cross multiply
422.25x = 909.75 × 909.75 - Step 4: Simplify right side
422.25x = 827,645.06 - Step 5: Solve for x
x = 827,645.06/422.25 - Step 6: Final answer
x = 1,960.08
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.