Finding the Third Proportional to 99,905.63 and 213,981.75
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Solution
The third proportional to 99,905.63 and 213,981.75 is: 458,314.43
Step by Step Solution
- Step 1: Write the proportion equation
99,905.63 : 213,981.75 = 213,981.75 : x - Step 2: Convert to fraction form
99,905.63/213,981.75 = 213,981.75/x - Step 3: Cross multiply
99,905.63x = 213,981.75 × 213,981.75 - Step 4: Simplify right side
99,905.63x = 45,788,189,333.06 - Step 5: Solve for x
x = 45,788,189,333.06/99,905.63 - Step 6: Final answer
x = 458,314.43
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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.