Finding the Third Proportional to 985,936 and 2,121,317
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Solution
The third proportional to 985,936 and 2,121,317 is: 4,564,176.39
Step by Step Solution
- Step 1: Write the proportion equation
985,936 : 2,121,317 = 2,121,317 : x - Step 2: Convert to fraction form
985,936/2,121,317 = 2,121,317/x - Step 3: Cross multiply
985,936x = 2,121,317 × 2,121,317 - Step 4: Simplify right side
985,936x = 4,499,985,814,489 - Step 5: Solve for x
x = 4,499,985,814,489/985,936 - Step 6: Final answer
x = 4,564,176.39
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.