Finding the Third Proportional to 12,916.34 and 19,950.68
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Solution
The third proportional to 12,916.34 and 19,950.68 is: 30,815.99
Step by Step Solution
- Step 1: Write the proportion equation
12,916.34 : 19,950.68 = 19,950.68 : x - Step 2: Convert to fraction form
12,916.34/19,950.68 = 19,950.68/x - Step 3: Cross multiply
12,916.34x = 19,950.68 × 19,950.68 - Step 4: Simplify right side
12,916.34x = 398,029,619.99 - Step 5: Solve for x
x = 398,029,619.99/12,916.34 - Step 6: Final answer
x = 30,815.99
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.