Finding the Third Proportional to 4,143.75 and 9,015.75
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Solution
The third proportional to 4,143.75 and 9,015.75 is: 19,615.99
Step by Step Solution
- Step 1: Write the proportion equation
4,143.75 : 9,015.75 = 9,015.75 : x - Step 2: Convert to fraction form
4,143.75/9,015.75 = 9,015.75/x - Step 3: Cross multiply
4,143.75x = 9,015.75 × 9,015.75 - Step 4: Simplify right side
4,143.75x = 81,283,748.06 - Step 5: Solve for x
x = 81,283,748.06/4,143.75 - Step 6: Final answer
x = 19,615.99
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.