Finding the Third Proportional to 430,455.94 and 622,257.19
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Solution
The third proportional to 430,455.94 and 622,257.19 is: 899,520.66
Step by Step Solution
- Step 1: Write the proportion equation
430,455.94 : 622,257.19 = 622,257.19 : x - Step 2: Convert to fraction form
430,455.94/622,257.19 = 622,257.19/x - Step 3: Cross multiply
430,455.94x = 622,257.19 × 622,257.19 - Step 4: Simplify right side
430,455.94x = 387,204,007,395.41 - Step 5: Solve for x
x = 387,204,007,395.41/430,455.94 - Step 6: Final answer
x = 899,520.66
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.