Finding the Third Proportional to 436,324.50 and 640,122.75
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Solution
The third proportional to 436,324.50 and 640,122.75 is: 939,110.99
Step by Step Solution
- Step 1: Write the proportion equation
436,324.50 : 640,122.75 = 640,122.75 : x - Step 2: Convert to fraction form
436,324.50/640,122.75 = 640,122.75/x - Step 3: Cross multiply
436,324.50x = 640,122.75 × 640,122.75 - Step 4: Simplify right side
436,324.50x = 409,757,135,067.56 - Step 5: Solve for x
x = 409,757,135,067.56/436,324.50 - Step 6: Final answer
x = 939,110.99
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.