Finding the Third Proportional to 769,484 and 1,149,921
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Solution
The third proportional to 769,484 and 1,149,921 is: 1,718,448.09
Step by Step Solution
- Step 1: Write the proportion equation
769,484 : 1,149,921 = 1,149,921 : x - Step 2: Convert to fraction form
769,484/1,149,921 = 1,149,921/x - Step 3: Cross multiply
769,484x = 1,149,921 × 1,149,921 - Step 4: Simplify right side
769,484x = 1,322,318,306,241 - Step 5: Solve for x
x = 1,322,318,306,241/769,484 - Step 6: Final answer
x = 1,718,448.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.