Finding the Third Proportional to 161,129.81 and 354,435.19
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Solution
The third proportional to 161,129.81 and 354,435.19 is: 779,646.55
Step by Step Solution
- Step 1: Write the proportion equation
161,129.81 : 354,435.19 = 354,435.19 : x - Step 2: Convert to fraction form
161,129.81/354,435.19 = 354,435.19/x - Step 3: Cross multiply
161,129.81x = 354,435.19 × 354,435.19 - Step 4: Simplify right side
161,129.81x = 125,624,302,138.16 - Step 5: Solve for x
x = 125,624,302,138.16/161,129.81 - Step 6: Final answer
x = 779,646.55
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.