Finding the Third Proportional to 121,538.81 and 183,985.03
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Solution
The third proportional to 121,538.81 and 183,985.03 is: 278,515.90
Step by Step Solution
- Step 1: Write the proportion equation
121,538.81 : 183,985.03 = 183,985.03 : x - Step 2: Convert to fraction form
121,538.81/183,985.03 = 183,985.03/x - Step 3: Cross multiply
121,538.81x = 183,985.03 × 183,985.03 - Step 4: Simplify right side
121,538.81x = 33,850,491,724.06 - Step 5: Solve for x
x = 33,850,491,724.06/121,538.81 - Step 6: Final answer
x = 278,515.90
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.