Finding the Third Proportional to 427,328.16 and 911,853.70
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Solution
The third proportional to 427,328.16 and 911,853.70 is: 1,945,757.99
Step by Step Solution
- Step 1: Write the proportion equation
427,328.16 : 911,853.70 = 911,853.70 : x - Step 2: Convert to fraction form
427,328.16/911,853.70 = 911,853.70/x - Step 3: Cross multiply
427,328.16x = 911,853.70 × 911,853.70 - Step 4: Simplify right side
427,328.16x = 831,477,175,902.78 - Step 5: Solve for x
x = 831,477,175,902.78/427,328.16 - Step 6: Final answer
x = 1,945,757.99
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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.