Finding the Third Proportional to 8,618.91 and 18,447.12
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Solution
The third proportional to 8,618.91 and 18,447.12 is: 39,482.52
Step by Step Solution
- Step 1: Write the proportion equation
8,618.91 : 18,447.12 = 18,447.12 : x - Step 2: Convert to fraction form
8,618.91/18,447.12 = 18,447.12/x - Step 3: Cross multiply
8,618.91x = 18,447.12 × 18,447.12 - Step 4: Simplify right side
8,618.91x = 340,296,132.53 - Step 5: Solve for x
x = 340,296,132.53/8,618.91 - Step 6: Final answer
x = 39,482.52
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.