Finding the Third Proportional to 66,775.50 and 103,992.75
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Solution
The third proportional to 66,775.50 and 103,992.75 is: 161,952.99
Step by Step Solution
- Step 1: Write the proportion equation
66,775.50 : 103,992.75 = 103,992.75 : x - Step 2: Convert to fraction form
66,775.50/103,992.75 = 103,992.75/x - Step 3: Cross multiply
66,775.50x = 103,992.75 × 103,992.75 - Step 4: Simplify right side
66,775.50x = 10,814,492,052.56 - Step 5: Solve for x
x = 10,814,492,052.56/66,775.50 - Step 6: Final answer
x = 161,952.99
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.