Finding the Third Proportional to 189,372.94 and 405,346.78
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Solution
The third proportional to 189,372.94 and 405,346.78 is: 867,631.96
Step by Step Solution
- Step 1: Write the proportion equation
189,372.94 : 405,346.78 = 405,346.78 : x - Step 2: Convert to fraction form
189,372.94/405,346.78 = 405,346.78/x - Step 3: Cross multiply
189,372.94x = 405,346.78 × 405,346.78 - Step 4: Simplify right side
189,372.94x = 164,306,013,069.74 - Step 5: Solve for x
x = 164,306,013,069.74/189,372.94 - Step 6: Final answer
x = 867,631.96
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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.