Finding the Third Proportional to 7,719.19 and 15,711.19
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Solution
The third proportional to 7,719.19 and 15,711.19 is: 31,977.64
Step by Step Solution
- Step 1: Write the proportion equation
7,719.19 : 15,711.19 = 15,711.19 : x - Step 2: Convert to fraction form
7,719.19/15,711.19 = 15,711.19/x - Step 3: Cross multiply
7,719.19x = 15,711.19 × 15,711.19 - Step 4: Simplify right side
7,719.19x = 246,841,412.66 - Step 5: Solve for x
x = 246,841,412.66/7,719.19 - Step 6: Final answer
x = 31,977.64
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.