Finding the Third Proportional to 212,856.75 and 320,181.75
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Solution
The third proportional to 212,856.75 and 320,181.75 is: 481,621.34
Step by Step Solution
- Step 1: Write the proportion equation
212,856.75 : 320,181.75 = 320,181.75 : x - Step 2: Convert to fraction form
212,856.75/320,181.75 = 320,181.75/x - Step 3: Cross multiply
212,856.75x = 320,181.75 × 320,181.75 - Step 4: Simplify right side
212,856.75x = 102,516,353,033.06 - Step 5: Solve for x
x = 102,516,353,033.06/212,856.75 - Step 6: Final answer
x = 481,621.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.