Finding the Third Proportional to 66,311.44 and 135,686.81
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Solution
The third proportional to 66,311.44 and 135,686.81 is: 277,643.07
Step by Step Solution
- Step 1: Write the proportion equation
66,311.44 : 135,686.81 = 135,686.81 : x - Step 2: Convert to fraction form
66,311.44/135,686.81 = 135,686.81/x - Step 3: Cross multiply
66,311.44x = 135,686.81 × 135,686.81 - Step 4: Simplify right side
66,311.44x = 18,410,911,086.41 - Step 5: Solve for x
x = 18,410,911,086.41/66,311.44 - Step 6: Final answer
x = 277,643.07
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.