Finding the Third Proportional to 427,334 and 911,872
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Solution
The third proportional to 427,334 and 911,872 is: 1,945,809.47
Step by Step Solution
- Step 1: Write the proportion equation
427,334 : 911,872 = 911,872 : x - Step 2: Convert to fraction form
427,334/911,872 = 911,872/x - Step 3: Cross multiply
427,334x = 911,872 × 911,872 - Step 4: Simplify right side
427,334x = 831,510,544,384 - Step 5: Solve for x
x = 831,510,544,384/427,334 - Step 6: Final answer
x = 1,945,809.47
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.