Finding the Third Proportional to 438,639.75 and 662,739.75
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Solution
The third proportional to 438,639.75 and 662,739.75 is: 1,001,331.90
Step by Step Solution
- Step 1: Write the proportion equation
438,639.75 : 662,739.75 = 662,739.75 : x - Step 2: Convert to fraction form
438,639.75/662,739.75 = 662,739.75/x - Step 3: Cross multiply
438,639.75x = 662,739.75 × 662,739.75 - Step 4: Simplify right side
438,639.75x = 439,223,976,230.06 - Step 5: Solve for x
x = 439,223,976,230.06/438,639.75 - Step 6: Final answer
x = 1,001,331.90
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.