Finding the Third Proportional to 18,807.19 and 40,272.19
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Solution
The third proportional to 18,807.19 and 40,272.19 is: 86,235.60
Step by Step Solution
- Step 1: Write the proportion equation
18,807.19 : 40,272.19 = 40,272.19 : x - Step 2: Convert to fraction form
18,807.19/40,272.19 = 40,272.19/x - Step 3: Cross multiply
18,807.19x = 40,272.19 × 40,272.19 - Step 4: Simplify right side
18,807.19x = 1,621,849,086.04 - Step 5: Solve for x
x = 1,621,849,086.04/18,807.19 - Step 6: Final answer
x = 86,235.60
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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.