Finding the Third Proportional to 518,142.25 and 1,221,388.75
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Solution
The third proportional to 518,142.25 and 1,221,388.75 is: 2,879,113.75
Step by Step Solution
- Step 1: Write the proportion equation
518,142.25 : 1,221,388.75 = 1,221,388.75 : x - Step 2: Convert to fraction form
518,142.25/1,221,388.75 = 1,221,388.75/x - Step 3: Cross multiply
518,142.25x = 1,221,388.75 × 1,221,388.75 - Step 4: Simplify right side
518,142.25x = 1,491,790,478,626.56 - Step 5: Solve for x
x = 1,491,790,478,626.56/518,142.25 - Step 6: Final answer
x = 2,879,113.75
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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.