Finding the Third Proportional to 643,576.50 and 964,122.75
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Solution
The third proportional to 643,576.50 and 964,122.75 is: 1,444,323.52
Step by Step Solution
- Step 1: Write the proportion equation
643,576.50 : 964,122.75 = 964,122.75 : x - Step 2: Convert to fraction form
643,576.50/964,122.75 = 964,122.75/x - Step 3: Cross multiply
643,576.50x = 964,122.75 × 964,122.75 - Step 4: Simplify right side
643,576.50x = 929,532,677,067.56 - Step 5: Solve for x
x = 929,532,677,067.56/643,576.50 - Step 6: Final answer
x = 1,444,323.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.