Finding the Third Proportional to 3,519.75 and 7,686.75
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Solution
The third proportional to 3,519.75 and 7,686.75 is: 16,787.02
Step by Step Solution
- Step 1: Write the proportion equation
3,519.75 : 7,686.75 = 7,686.75 : x - Step 2: Convert to fraction form
3,519.75/7,686.75 = 7,686.75/x - Step 3: Cross multiply
3,519.75x = 7,686.75 × 7,686.75 - Step 4: Simplify right side
3,519.75x = 59,086,125.56 - Step 5: Solve for x
x = 59,086,125.56/3,519.75 - Step 6: Final answer
x = 16,787.02
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.