Finding the Third Proportional to 3,207.75 and 3,909.75
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Solution
The third proportional to 3,207.75 and 3,909.75 is: 4,765.38
Step by Step Solution
- Step 1: Write the proportion equation
3,207.75 : 3,909.75 = 3,909.75 : x - Step 2: Convert to fraction form
3,207.75/3,909.75 = 3,909.75/x - Step 3: Cross multiply
3,207.75x = 3,909.75 × 3,909.75 - Step 4: Simplify right side
3,207.75x = 15,286,145.06 - Step 5: Solve for x
x = 15,286,145.06/3,207.75 - Step 6: Final answer
x = 4,765.38
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These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.