Finding the Third Proportional to 221,140.75 and 331,363.75
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Solution
The third proportional to 221,140.75 and 331,363.75 is: 496,525.11
Step by Step Solution
- Step 1: Write the proportion equation
221,140.75 : 331,363.75 = 331,363.75 : x - Step 2: Convert to fraction form
221,140.75/331,363.75 = 331,363.75/x - Step 3: Cross multiply
221,140.75x = 331,363.75 × 331,363.75 - Step 4: Simplify right side
221,140.75x = 109,801,934,814.06 - Step 5: Solve for x
x = 109,801,934,814.06/221,140.75 - Step 6: Final answer
x = 496,525.11
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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.