Finding the Third Proportional to 397,986.75 and 630,186.75
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Solution
The third proportional to 397,986.75 and 630,186.75 is: 997,860.71
Step by Step Solution
- Step 1: Write the proportion equation
397,986.75 : 630,186.75 = 630,186.75 : x - Step 2: Convert to fraction form
397,986.75/630,186.75 = 630,186.75/x - Step 3: Cross multiply
397,986.75x = 630,186.75 × 630,186.75 - Step 4: Simplify right side
397,986.75x = 397,135,339,875.56 - Step 5: Solve for x
x = 397,135,339,875.56/397,986.75 - Step 6: Final answer
x = 997,860.71
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.