Finding the Third Proportional to 280,212.75 and 619,305.75
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Solution
The third proportional to 280,212.75 and 619,305.75 is: 1,368,744.33
Step by Step Solution
- Step 1: Write the proportion equation
280,212.75 : 619,305.75 = 619,305.75 : x - Step 2: Convert to fraction form
280,212.75/619,305.75 = 619,305.75/x - Step 3: Cross multiply
280,212.75x = 619,305.75 × 619,305.75 - Step 4: Simplify right side
280,212.75x = 383,539,611,983.06 - Step 5: Solve for x
x = 383,539,611,983.06/280,212.75 - Step 6: Final answer
x = 1,368,744.33
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These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.