Finding the Third Proportional to 438,442.50 and 657,724.50
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Solution
The third proportional to 438,442.50 and 657,724.50 is: 986,677.88
Step by Step Solution
- Step 1: Write the proportion equation
438,442.50 : 657,724.50 = 657,724.50 : x - Step 2: Convert to fraction form
438,442.50/657,724.50 = 657,724.50/x - Step 3: Cross multiply
438,442.50x = 657,724.50 × 657,724.50 - Step 4: Simplify right side
438,442.50x = 432,601,517,900.25 - Step 5: Solve for x
x = 432,601,517,900.25/438,442.50 - Step 6: Final answer
x = 986,677.88
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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.