Finding the Third Proportional to 688,563 and 1,491,471
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Solution
The third proportional to 688,563 and 1,491,471 is: 3,230,620.50
Step by Step Solution
- Step 1: Write the proportion equation
688,563 : 1,491,471 = 1,491,471 : x - Step 2: Convert to fraction form
688,563/1,491,471 = 1,491,471/x - Step 3: Cross multiply
688,563x = 1,491,471 × 1,491,471 - Step 4: Simplify right side
688,563x = 2,224,485,743,841 - Step 5: Solve for x
x = 2,224,485,743,841/688,563 - Step 6: Final answer
x = 3,230,620.50
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.