Finding the Third Proportional to 74,580.75 and 108,348.75
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Solution
The third proportional to 74,580.75 and 108,348.75 is: 157,405.92
Step by Step Solution
- Step 1: Write the proportion equation
74,580.75 : 108,348.75 = 108,348.75 : x - Step 2: Convert to fraction form
74,580.75/108,348.75 = 108,348.75/x - Step 3: Cross multiply
74,580.75x = 108,348.75 × 108,348.75 - Step 4: Simplify right side
74,580.75x = 11,739,451,626.56 - Step 5: Solve for x
x = 11,739,451,626.56/74,580.75 - Step 6: Final answer
x = 157,405.92
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.