Finding the Third Proportional to 686,907 and 1,492,095
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Solution
The third proportional to 686,907 and 1,492,095 is: 3,241,119.23
Step by Step Solution
- Step 1: Write the proportion equation
686,907 : 1,492,095 = 1,492,095 : x - Step 2: Convert to fraction form
686,907/1,492,095 = 1,492,095/x - Step 3: Cross multiply
686,907x = 1,492,095 × 1,492,095 - Step 4: Simplify right side
686,907x = 2,226,347,489,025 - Step 5: Solve for x
x = 2,226,347,489,025/686,907 - Step 6: Final answer
x = 3,241,119.23
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.