Finding the Third Proportional to 81,418.13 and 176,762.06
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Solution
The third proportional to 81,418.13 and 176,762.06 is: 383,757.63
Step by Step Solution
- Step 1: Write the proportion equation
81,418.13 : 176,762.06 = 176,762.06 : x - Step 2: Convert to fraction form
81,418.13/176,762.06 = 176,762.06/x - Step 3: Cross multiply
81,418.13x = 176,762.06 × 176,762.06 - Step 4: Simplify right side
81,418.13x = 31,244,826,739.25 - Step 5: Solve for x
x = 31,244,826,739.25/81,418.13 - Step 6: Final answer
x = 383,757.63
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.