Finding the Third Proportional to 9,620 and 14,391.50
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Solution
The third proportional to 9,620 and 14,391.50 is: 21,529.65
Step by Step Solution
- Step 1: Write the proportion equation
9,620 : 14,391.50 = 14,391.50 : x - Step 2: Convert to fraction form
9,620/14,391.50 = 14,391.50/x - Step 3: Cross multiply
9,620x = 14,391.50 × 14,391.50 - Step 4: Simplify right side
9,620x = 207,115,272.25 - Step 5: Solve for x
x = 207,115,272.25/9,620 - Step 6: Final answer
x = 21,529.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.