Finding the Third Proportional to 312,963.75 and 675,816.75
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Solution
The third proportional to 312,963.75 and 675,816.75 is: 1,459,364.80
Step by Step Solution
- Step 1: Write the proportion equation
312,963.75 : 675,816.75 = 675,816.75 : x - Step 2: Convert to fraction form
312,963.75/675,816.75 = 675,816.75/x - Step 3: Cross multiply
312,963.75x = 675,816.75 × 675,816.75 - Step 4: Simplify right side
312,963.75x = 456,728,279,580.56 - Step 5: Solve for x
x = 456,728,279,580.56/312,963.75 - Step 6: Final answer
x = 1,459,364.80
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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.