Finding the Third Proportional to 786,943.69 and 1,203,243.19
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Solution
The third proportional to 786,943.69 and 1,203,243.19 is: 1,839,768.45
Step by Step Solution
- Step 1: Write the proportion equation
786,943.69 : 1,203,243.19 = 1,203,243.19 : x - Step 2: Convert to fraction form
786,943.69/1,203,243.19 = 1,203,243.19/x - Step 3: Cross multiply
786,943.69x = 1,203,243.19 × 1,203,243.19 - Step 4: Simplify right side
786,943.69x = 1,447,794,168,265.16 - Step 5: Solve for x
x = 1,447,794,168,265.16/786,943.69 - Step 6: Final answer
x = 1,839,768.45
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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.