Finding the Third Proportional to 7,124.63 and 15,479.44
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Solution
The third proportional to 7,124.63 and 15,479.44 is: 33,631.66
Step by Step Solution
- Step 1: Write the proportion equation
7,124.63 : 15,479.44 = 15,479.44 : x - Step 2: Convert to fraction form
7,124.63/15,479.44 = 15,479.44/x - Step 3: Cross multiply
7,124.63x = 15,479.44 × 15,479.44 - Step 4: Simplify right side
7,124.63x = 239,612,985.32 - Step 5: Solve for x
x = 239,612,985.32/7,124.63 - Step 6: Final answer
x = 33,631.66
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.