Finding the Third Proportional to 768,636 and 1,221,378.75
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Solution
The third proportional to 768,636 and 1,221,378.75 is: 1,940,796.49
Step by Step Solution
- Step 1: Write the proportion equation
768,636 : 1,221,378.75 = 1,221,378.75 : x - Step 2: Convert to fraction form
768,636/1,221,378.75 = 1,221,378.75/x - Step 3: Cross multiply
768,636x = 1,221,378.75 × 1,221,378.75 - Step 4: Simplify right side
768,636x = 1,491,766,050,951.56 - Step 5: Solve for x
x = 1,491,766,050,951.56/768,636 - Step 6: Final answer
x = 1,940,796.49
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.