Finding the Third Proportional to 221,430 and 343,812
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Solution
The third proportional to 221,430 and 343,812 is: 533,833.23
Step by Step Solution
- Step 1: Write the proportion equation
221,430 : 343,812 = 343,812 : x - Step 2: Convert to fraction form
221,430/343,812 = 343,812/x - Step 3: Cross multiply
221,430x = 343,812 × 343,812 - Step 4: Simplify right side
221,430x = 118,206,691,344 - Step 5: Solve for x
x = 118,206,691,344/221,430 - Step 6: Final answer
x = 533,833.23
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.