Finding the Third Proportional to 395,392.50 and 612,771.75
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Solution
The third proportional to 395,392.50 and 612,771.75 is: 949,661.96
Step by Step Solution
- Step 1: Write the proportion equation
395,392.50 : 612,771.75 = 612,771.75 : x - Step 2: Convert to fraction form
395,392.50/612,771.75 = 612,771.75/x - Step 3: Cross multiply
395,392.50x = 612,771.75 × 612,771.75 - Step 4: Simplify right side
395,392.50x = 375,489,217,598.06 - Step 5: Solve for x
x = 375,489,217,598.06/395,392.50 - Step 6: Final answer
x = 949,661.96
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.