Finding the Third Proportional to 187,930.13 and 394,313.06
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Solution
The third proportional to 187,930.13 and 394,313.06 is: 827,343.63
Step by Step Solution
- Step 1: Write the proportion equation
187,930.13 : 394,313.06 = 394,313.06 : x - Step 2: Convert to fraction form
187,930.13/394,313.06 = 394,313.06/x - Step 3: Cross multiply
187,930.13x = 394,313.06 × 394,313.06 - Step 4: Simplify right side
187,930.13x = 155,482,791,258.13 - Step 5: Solve for x
x = 155,482,791,258.13/187,930.13 - Step 6: Final answer
x = 827,343.63
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.