Finding the Third Proportional to 641,871 and 993,357
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Solution
The third proportional to 641,871 and 993,357 is: 1,537,315.33
Step by Step Solution
- Step 1: Write the proportion equation
641,871 : 993,357 = 993,357 : x - Step 2: Convert to fraction form
641,871/993,357 = 993,357/x - Step 3: Cross multiply
641,871x = 993,357 × 993,357 - Step 4: Simplify right side
641,871x = 986,758,129,449 - Step 5: Solve for x
x = 986,758,129,449/641,871 - Step 6: Final answer
x = 1,537,315.33
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.