Finding the Third Proportional to 738,239 and 1,138,839
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Solution
The third proportional to 738,239 and 1,138,839 is: 1,756,821.66
Step by Step Solution
- Step 1: Write the proportion equation
738,239 : 1,138,839 = 1,138,839 : x - Step 2: Convert to fraction form
738,239/1,138,839 = 1,138,839/x - Step 3: Cross multiply
738,239x = 1,138,839 × 1,138,839 - Step 4: Simplify right side
738,239x = 1,296,954,267,921 - Step 5: Solve for x
x = 1,296,954,267,921/738,239 - Step 6: Final answer
x = 1,756,821.66
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.