Finding the Third Proportional to 138,427.25 and 212,210.75
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Solution
The third proportional to 138,427.25 and 212,210.75 is: 325,321.80
Step by Step Solution
- Step 1: Write the proportion equation
138,427.25 : 212,210.75 = 212,210.75 : x - Step 2: Convert to fraction form
138,427.25/212,210.75 = 212,210.75/x - Step 3: Cross multiply
138,427.25x = 212,210.75 × 212,210.75 - Step 4: Simplify right side
138,427.25x = 45,033,402,415.56 - Step 5: Solve for x
x = 45,033,402,415.56/138,427.25 - Step 6: Final answer
x = 325,321.80
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.