Finding the Third Proportional to 84,108.38 and 177,693.75
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Solution
The third proportional to 84,108.38 and 177,693.75 is: 375,409.33
Step by Step Solution
- Step 1: Write the proportion equation
84,108.38 : 177,693.75 = 177,693.75 : x - Step 2: Convert to fraction form
84,108.38/177,693.75 = 177,693.75/x - Step 3: Cross multiply
84,108.38x = 177,693.75 × 177,693.75 - Step 4: Simplify right side
84,108.38x = 31,575,068,789.06 - Step 5: Solve for x
x = 31,575,068,789.06/84,108.38 - Step 6: Final answer
x = 375,409.33
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.