Finding the Third Proportional to 402,878.81 and 628,838.44
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Solution
The third proportional to 402,878.81 and 628,838.44 is: 981,530.35
Step by Step Solution
- Step 1: Write the proportion equation
402,878.81 : 628,838.44 = 628,838.44 : x - Step 2: Convert to fraction form
402,878.81/628,838.44 = 628,838.44/x - Step 3: Cross multiply
402,878.81x = 628,838.44 × 628,838.44 - Step 4: Simplify right side
402,878.81x = 395,437,780,477.44 - Step 5: Solve for x
x = 395,437,780,477.44/402,878.81 - Step 6: Final answer
x = 981,530.35
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.