Finding the Third Proportional to 297,114.75 and 640,428.75
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Solution
The third proportional to 297,114.75 and 640,428.75 is: 1,380,439.66
Step by Step Solution
- Step 1: Write the proportion equation
297,114.75 : 640,428.75 = 640,428.75 : x - Step 2: Convert to fraction form
297,114.75/640,428.75 = 640,428.75/x - Step 3: Cross multiply
297,114.75x = 640,428.75 × 640,428.75 - Step 4: Simplify right side
297,114.75x = 410,148,983,826.56 - Step 5: Solve for x
x = 410,148,983,826.56/297,114.75 - Step 6: Final answer
x = 1,380,439.66
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.