Finding the Third Proportional to 422,476.25 and 911,311.75
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Solution
The third proportional to 422,476.25 and 911,311.75 is: 1,965,765.19
Step by Step Solution
- Step 1: Write the proportion equation
422,476.25 : 911,311.75 = 911,311.75 : x - Step 2: Convert to fraction form
422,476.25/911,311.75 = 911,311.75/x - Step 3: Cross multiply
422,476.25x = 911,311.75 × 911,311.75 - Step 4: Simplify right side
422,476.25x = 830,489,105,688.06 - Step 5: Solve for x
x = 830,489,105,688.06/422,476.25 - Step 6: Final answer
x = 1,965,765.19
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.