Finding the Third Proportional to 688,403.25 and 1,491,215.63
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Solution
The third proportional to 688,403.25 and 1,491,215.63 is: 3,230,263.72
Step by Step Solution
- Step 1: Write the proportion equation
688,403.25 : 1,491,215.63 = 1,491,215.63 : x - Step 2: Convert to fraction form
688,403.25/1,491,215.63 = 1,491,215.63/x - Step 3: Cross multiply
688,403.25x = 1,491,215.63 × 1,491,215.63 - Step 4: Simplify right side
688,403.25x = 2,223,724,040,244.14 - Step 5: Solve for x
x = 2,223,724,040,244.14/688,403.25 - Step 6: Final answer
x = 3,230,263.72
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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.