Finding the Third Proportional to 7,287.19 and 15,611.63
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Solution
The third proportional to 7,287.19 and 15,611.63 is: 33,445.39
Step by Step Solution
- Step 1: Write the proportion equation
7,287.19 : 15,611.63 = 15,611.63 : x - Step 2: Convert to fraction form
7,287.19/15,611.63 = 15,611.63/x - Step 3: Cross multiply
7,287.19x = 15,611.63 × 15,611.63 - Step 4: Simplify right side
7,287.19x = 243,722,835.14 - Step 5: Solve for x
x = 243,722,835.14/7,287.19 - Step 6: Final answer
x = 33,445.39
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.