Finding the Third Proportional to 7,179.47 and 15,756.19
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Solution
The third proportional to 7,179.47 and 15,756.19 is: 34,578.80
Step by Step Solution
- Step 1: Write the proportion equation
7,179.47 : 15,756.19 = 15,756.19 : x - Step 2: Convert to fraction form
7,179.47/15,756.19 = 15,756.19/x - Step 3: Cross multiply
7,179.47x = 15,756.19 × 15,756.19 - Step 4: Simplify right side
7,179.47x = 248,257,444.54 - Step 5: Solve for x
x = 248,257,444.54/7,179.47 - Step 6: Final answer
x = 34,578.80
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.