Finding the Third Proportional to 99,342.75 and 212,889.75
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Solution
The third proportional to 99,342.75 and 212,889.75 is: 456,218.96
Step by Step Solution
- Step 1: Write the proportion equation
99,342.75 : 212,889.75 = 212,889.75 : x - Step 2: Convert to fraction form
99,342.75/212,889.75 = 212,889.75/x - Step 3: Cross multiply
99,342.75x = 212,889.75 × 212,889.75 - Step 4: Simplify right side
99,342.75x = 45,322,045,655.06 - Step 5: Solve for x
x = 45,322,045,655.06/99,342.75 - Step 6: Final answer
x = 456,218.96
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.