Finding the Third Proportional to 445,540.50 and 689,418.75
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Solution
The third proportional to 445,540.50 and 689,418.75 is: 1,066,790.14
Step by Step Solution
- Step 1: Write the proportion equation
445,540.50 : 689,418.75 = 689,418.75 : x - Step 2: Convert to fraction form
445,540.50/689,418.75 = 689,418.75/x - Step 3: Cross multiply
445,540.50x = 689,418.75 × 689,418.75 - Step 4: Simplify right side
445,540.50x = 475,298,212,851.56 - Step 5: Solve for x
x = 475,298,212,851.56/445,540.50 - Step 6: Final answer
x = 1,066,790.14
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.