Finding the Third Proportional to 207,628.31 and 318,299.63
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Solution
The third proportional to 207,628.31 and 318,299.63 is: 487,961.64
Step by Step Solution
- Step 1: Write the proportion equation
207,628.31 : 318,299.63 = 318,299.63 : x - Step 2: Convert to fraction form
207,628.31/318,299.63 = 318,299.63/x - Step 3: Cross multiply
207,628.31x = 318,299.63 × 318,299.63 - Step 4: Simplify right side
207,628.31x = 101,314,651,275.14 - Step 5: Solve for x
x = 101,314,651,275.14/207,628.31 - Step 6: Final answer
x = 487,961.64
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.