Finding the Third Proportional to 187,768.13 and 288,213.19
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Solution
The third proportional to 187,768.13 and 288,213.19 is: 442,390.54
Step by Step Solution
- Step 1: Write the proportion equation
187,768.13 : 288,213.19 = 288,213.19 : x - Step 2: Convert to fraction form
187,768.13/288,213.19 = 288,213.19/x - Step 3: Cross multiply
187,768.13x = 288,213.19 × 288,213.19 - Step 4: Simplify right side
187,768.13x = 83,066,841,448.91 - Step 5: Solve for x
x = 83,066,841,448.91/187,768.13 - Step 6: Final answer
x = 442,390.54
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.