Finding the Third Proportional to 686,262 and 990,024
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Solution
The third proportional to 686,262 and 990,024 is: 1,428,240.99
Step by Step Solution
- Step 1: Write the proportion equation
686,262 : 990,024 = 990,024 : x - Step 2: Convert to fraction form
686,262/990,024 = 990,024/x - Step 3: Cross multiply
686,262x = 990,024 × 990,024 - Step 4: Simplify right side
686,262x = 980,147,520,576 - Step 5: Solve for x
x = 980,147,520,576/686,262 - Step 6: Final answer
x = 1,428,240.99
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.