Finding the Third Proportional to 39,995.44 and 84,921.75
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Solution
The third proportional to 39,995.44 and 84,921.75 is: 180,313.16
Step by Step Solution
- Step 1: Write the proportion equation
39,995.44 : 84,921.75 = 84,921.75 : x - Step 2: Convert to fraction form
39,995.44/84,921.75 = 84,921.75/x - Step 3: Cross multiply
39,995.44x = 84,921.75 × 84,921.75 - Step 4: Simplify right side
39,995.44x = 7,211,703,623.06 - Step 5: Solve for x
x = 7,211,703,623.06/39,995.44 - Step 6: Final answer
x = 180,313.16
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.