Finding the Third Proportional to 809,438 and 1,169,405
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Solution
The third proportional to 809,438 and 1,169,405 is: 1,689,453.74
Step by Step Solution
- Step 1: Write the proportion equation
809,438 : 1,169,405 = 1,169,405 : x - Step 2: Convert to fraction form
809,438/1,169,405 = 1,169,405/x - Step 3: Cross multiply
809,438x = 1,169,405 × 1,169,405 - Step 4: Simplify right side
809,438x = 1,367,508,054,025 - Step 5: Solve for x
x = 1,367,508,054,025/809,438 - Step 6: Final answer
x = 1,689,453.74
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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.