Finding the Third Proportional to 85,905.75 and 131,409.75
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Solution
The third proportional to 85,905.75 and 131,409.75 is: 201,017.07
Step by Step Solution
- Step 1: Write the proportion equation
85,905.75 : 131,409.75 = 131,409.75 : x - Step 2: Convert to fraction form
85,905.75/131,409.75 = 131,409.75/x - Step 3: Cross multiply
85,905.75x = 131,409.75 × 131,409.75 - Step 4: Simplify right side
85,905.75x = 17,268,522,395.06 - Step 5: Solve for x
x = 17,268,522,395.06/85,905.75 - Step 6: Final answer
x = 201,017.07
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.