Finding the Third Proportional to 431,142 and 906,934
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Solution
The third proportional to 431,142 and 906,934 is: 1,907,792.05
Step by Step Solution
- Step 1: Write the proportion equation
431,142 : 906,934 = 906,934 : x - Step 2: Convert to fraction form
431,142/906,934 = 906,934/x - Step 3: Cross multiply
431,142x = 906,934 × 906,934 - Step 4: Simplify right side
431,142x = 822,529,280,356 - Step 5: Solve for x
x = 822,529,280,356/431,142 - Step 6: Final answer
x = 1,907,792.05
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.