Finding the Third Proportional to 312,124.50 and 471,469.50
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Solution
The third proportional to 312,124.50 and 471,469.50 is: 712,162.90
Step by Step Solution
- Step 1: Write the proportion equation
312,124.50 : 471,469.50 = 471,469.50 : x - Step 2: Convert to fraction form
312,124.50/471,469.50 = 471,469.50/x - Step 3: Cross multiply
312,124.50x = 471,469.50 × 471,469.50 - Step 4: Simplify right side
312,124.50x = 222,283,489,430.25 - Step 5: Solve for x
x = 222,283,489,430.25/312,124.50 - Step 6: Final answer
x = 712,162.90
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.