Finding the Third Proportional to 609,619 and 905,617
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Solution
The third proportional to 609,619 and 905,617 is: 1,345,335.61
Step by Step Solution
- Step 1: Write the proportion equation
609,619 : 905,617 = 905,617 : x - Step 2: Convert to fraction form
609,619/905,617 = 905,617/x - Step 3: Cross multiply
609,619x = 905,617 × 905,617 - Step 4: Simplify right side
609,619x = 820,142,150,689 - Step 5: Solve for x
x = 820,142,150,689/609,619 - Step 6: Final answer
x = 1,345,335.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.