Finding the Third Proportional to 79,431.75 and 121,010.25
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Solution
The third proportional to 79,431.75 and 121,010.25 is: 184,352.99
Step by Step Solution
- Step 1: Write the proportion equation
79,431.75 : 121,010.25 = 121,010.25 : x - Step 2: Convert to fraction form
79,431.75/121,010.25 = 121,010.25/x - Step 3: Cross multiply
79,431.75x = 121,010.25 × 121,010.25 - Step 4: Simplify right side
79,431.75x = 14,643,480,605.06 - Step 5: Solve for x
x = 14,643,480,605.06/79,431.75 - Step 6: Final answer
x = 184,352.99
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.