Finding the Third Proportional to 149,616 and 321,156
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Solution
The third proportional to 149,616 and 321,156 is: 689,372.64
Step by Step Solution
- Step 1: Write the proportion equation
149,616 : 321,156 = 321,156 : x - Step 2: Convert to fraction form
149,616/321,156 = 321,156/x - Step 3: Cross multiply
149,616x = 321,156 × 321,156 - Step 4: Simplify right side
149,616x = 103,141,176,336 - Step 5: Solve for x
x = 103,141,176,336/149,616 - Step 6: Final answer
x = 689,372.64
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.