Finding the Third Proportional to 394,158.75 and 864,619.75
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Solution
The third proportional to 394,158.75 and 864,619.75 is: 1,896,614.78
Step by Step Solution
- Step 1: Write the proportion equation
394,158.75 : 864,619.75 = 864,619.75 : x - Step 2: Convert to fraction form
394,158.75/864,619.75 = 864,619.75/x - Step 3: Cross multiply
394,158.75x = 864,619.75 × 864,619.75 - Step 4: Simplify right side
394,158.75x = 747,567,312,090.06 - Step 5: Solve for x
x = 747,567,312,090.06/394,158.75 - Step 6: Final answer
x = 1,896,614.78
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.