Finding the Third Proportional to 189,427.50 and 405,121.50
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Solution
The third proportional to 189,427.50 and 405,121.50 is: 866,418.18
Step by Step Solution
- Step 1: Write the proportion equation
189,427.50 : 405,121.50 = 405,121.50 : x - Step 2: Convert to fraction form
189,427.50/405,121.50 = 405,121.50/x - Step 3: Cross multiply
189,427.50x = 405,121.50 × 405,121.50 - Step 4: Simplify right side
189,427.50x = 164,123,429,762.25 - Step 5: Solve for x
x = 164,123,429,762.25/189,427.50 - Step 6: Final answer
x = 866,418.18
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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.