Finding the Third Proportional to 646,493.63 and 1,371,791.94
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Solution
The third proportional to 646,493.63 and 1,371,791.94 is: 2,910,799.19
Step by Step Solution
- Step 1: Write the proportion equation
646,493.63 : 1,371,791.94 = 1,371,791.94 : x - Step 2: Convert to fraction form
646,493.63/1,371,791.94 = 1,371,791.94/x - Step 3: Cross multiply
646,493.63x = 1,371,791.94 × 1,371,791.94 - Step 4: Simplify right side
646,493.63x = 1,881,813,119,790.00 - Step 5: Solve for x
x = 1,881,813,119,790.00/646,493.63 - Step 6: Final answer
x = 2,910,799.19
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.