Finding the Third Proportional to 138,560.25 and 208,455.75
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Solution
The third proportional to 138,560.25 and 208,455.75 is: 313,609.42
Step by Step Solution
- Step 1: Write the proportion equation
138,560.25 : 208,455.75 = 208,455.75 : x - Step 2: Convert to fraction form
138,560.25/208,455.75 = 208,455.75/x - Step 3: Cross multiply
138,560.25x = 208,455.75 × 208,455.75 - Step 4: Simplify right side
138,560.25x = 43,453,799,708.06 - Step 5: Solve for x
x = 43,453,799,708.06/138,560.25 - Step 6: Final answer
x = 313,609.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.