Finding the Third Proportional to 207,636.75 and 318,309.75
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Solution
The third proportional to 207,636.75 and 318,309.75 is: 487,972.85
Step by Step Solution
- Step 1: Write the proportion equation
207,636.75 : 318,309.75 = 318,309.75 : x - Step 2: Convert to fraction form
207,636.75/318,309.75 = 318,309.75/x - Step 3: Cross multiply
207,636.75x = 318,309.75 × 318,309.75 - Step 4: Simplify right side
207,636.75x = 101,321,096,945.06 - Step 5: Solve for x
x = 101,321,096,945.06/207,636.75 - Step 6: Final answer
x = 487,972.85
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.