Finding the Third Proportional to 7,487.44 and 11,518.88
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Solution
The third proportional to 7,487.44 and 11,518.88 is: 17,720.95
Step by Step Solution
- Step 1: Write the proportion equation
7,487.44 : 11,518.88 = 11,518.88 : x - Step 2: Convert to fraction form
7,487.44/11,518.88 = 11,518.88/x - Step 3: Cross multiply
7,487.44x = 11,518.88 × 11,518.88 - Step 4: Simplify right side
7,487.44x = 132,684,481.27 - Step 5: Solve for x
x = 132,684,481.27/7,487.44 - Step 6: Final answer
x = 17,720.95
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.