Finding the Third Proportional to 317,180.81 and 485,817.75
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Solution
The third proportional to 317,180.81 and 485,817.75 is: 744,114.64
Step by Step Solution
- Step 1: Write the proportion equation
317,180.81 : 485,817.75 = 485,817.75 : x - Step 2: Convert to fraction form
317,180.81/485,817.75 = 485,817.75/x - Step 3: Cross multiply
317,180.81x = 485,817.75 × 485,817.75 - Step 4: Simplify right side
317,180.81x = 236,018,886,215.06 - Step 5: Solve for x
x = 236,018,886,215.06/317,180.81 - Step 6: Final answer
x = 744,114.64
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.