Finding the Third Proportional to 219,915 and 329,811.75
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Solution
The third proportional to 219,915 and 329,811.75 is: 494,626.52
Step by Step Solution
- Step 1: Write the proportion equation
219,915 : 329,811.75 = 329,811.75 : x - Step 2: Convert to fraction form
219,915/329,811.75 = 329,811.75/x - Step 3: Cross multiply
219,915x = 329,811.75 × 329,811.75 - Step 4: Simplify right side
219,915x = 108,775,790,438.06 - Step 5: Solve for x
x = 108,775,790,438.06/219,915 - Step 6: Final answer
x = 494,626.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.