Finding the Third Proportional to 638,694.50 and 888,045.50
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Solution
The third proportional to 638,694.50 and 888,045.50 is: 1,234,744.95
Step by Step Solution
- Step 1: Write the proportion equation
638,694.50 : 888,045.50 = 888,045.50 : x - Step 2: Convert to fraction form
638,694.50/888,045.50 = 888,045.50/x - Step 3: Cross multiply
638,694.50x = 888,045.50 × 888,045.50 - Step 4: Simplify right side
638,694.50x = 788,624,810,070.25 - Step 5: Solve for x
x = 788,624,810,070.25/638,694.50 - Step 6: Final answer
x = 1,234,744.95
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.