Finding the Third Proportional to 330,567.75 and 490,991.63
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Solution
The third proportional to 330,567.75 and 490,991.63 is: 729,268.89
Step by Step Solution
- Step 1: Write the proportion equation
330,567.75 : 490,991.63 = 490,991.63 : x - Step 2: Convert to fraction form
330,567.75/490,991.63 = 490,991.63/x - Step 3: Cross multiply
330,567.75x = 490,991.63 × 490,991.63 - Step 4: Simplify right side
330,567.75x = 241,072,775,820.14 - Step 5: Solve for x
x = 241,072,775,820.14/330,567.75 - Step 6: Final answer
x = 729,268.89
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.