Finding the Third Proportional to 99,135.75 and 141,321.75
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Solution
The third proportional to 99,135.75 and 141,321.75 is: 201,459.48
Step by Step Solution
- Step 1: Write the proportion equation
99,135.75 : 141,321.75 = 141,321.75 : x - Step 2: Convert to fraction form
99,135.75/141,321.75 = 141,321.75/x - Step 3: Cross multiply
99,135.75x = 141,321.75 × 141,321.75 - Step 4: Simplify right side
99,135.75x = 19,971,837,023.06 - Step 5: Solve for x
x = 19,971,837,023.06/99,135.75 - Step 6: Final answer
x = 201,459.48
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.