Finding the Third Proportional to 677,432.25 and 990,716.25
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Solution
The third proportional to 677,432.25 and 990,716.25 is: 1,448,880.96
Step by Step Solution
- Step 1: Write the proportion equation
677,432.25 : 990,716.25 = 990,716.25 : x - Step 2: Convert to fraction form
677,432.25/990,716.25 = 990,716.25/x - Step 3: Cross multiply
677,432.25x = 990,716.25 × 990,716.25 - Step 4: Simplify right side
677,432.25x = 981,518,688,014.06 - Step 5: Solve for x
x = 981,518,688,014.06/677,432.25 - Step 6: Final answer
x = 1,448,880.96
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.