Finding the Third Proportional to 396,756.75 and 603,438.75
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Solution
The third proportional to 396,756.75 and 603,438.75 is: 917,787.35
Step by Step Solution
- Step 1: Write the proportion equation
396,756.75 : 603,438.75 = 603,438.75 : x - Step 2: Convert to fraction form
396,756.75/603,438.75 = 603,438.75/x - Step 3: Cross multiply
396,756.75x = 603,438.75 × 603,438.75 - Step 4: Simplify right side
396,756.75x = 364,138,325,001.56 - Step 5: Solve for x
x = 364,138,325,001.56/396,756.75 - Step 6: Final answer
x = 917,787.35
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.