Finding the Third Proportional to 405,941.63 and 618,487.31
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Solution
The third proportional to 405,941.63 and 618,487.31 is: 942,319.12
Step by Step Solution
- Step 1: Write the proportion equation
405,941.63 : 618,487.31 = 618,487.31 : x - Step 2: Convert to fraction form
405,941.63/618,487.31 = 618,487.31/x - Step 3: Cross multiply
405,941.63x = 618,487.31 × 618,487.31 - Step 4: Simplify right side
405,941.63x = 382,526,555,723.47 - Step 5: Solve for x
x = 382,526,555,723.47/405,941.63 - Step 6: Final answer
x = 942,319.12
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.