Finding the Third Proportional to 438,620.25 and 661,170.75
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Solution
The third proportional to 438,620.25 and 661,170.75 is: 996,640.63
Step by Step Solution
- Step 1: Write the proportion equation
438,620.25 : 661,170.75 = 661,170.75 : x - Step 2: Convert to fraction form
438,620.25/661,170.75 = 661,170.75/x - Step 3: Cross multiply
438,620.25x = 661,170.75 × 661,170.75 - Step 4: Simplify right side
438,620.25x = 437,146,760,655.56 - Step 5: Solve for x
x = 437,146,760,655.56/438,620.25 - Step 6: Final answer
x = 996,640.63
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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.