Finding the Third Proportional to 12,719.75 and 18,711.75
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Solution
The third proportional to 12,719.75 and 18,711.75 is: 27,526.45
Step by Step Solution
- Step 1: Write the proportion equation
12,719.75 : 18,711.75 = 18,711.75 : x - Step 2: Convert to fraction form
12,719.75/18,711.75 = 18,711.75/x - Step 3: Cross multiply
12,719.75x = 18,711.75 × 18,711.75 - Step 4: Simplify right side
12,719.75x = 350,129,588.06 - Step 5: Solve for x
x = 350,129,588.06/12,719.75 - Step 6: Final answer
x = 27,526.45
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.