Finding the Third Proportional to 55,438.75 and 85,310.75
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Solution
The third proportional to 55,438.75 and 85,310.75 is: 131,278.65
Step by Step Solution
- Step 1: Write the proportion equation
55,438.75 : 85,310.75 = 85,310.75 : x - Step 2: Convert to fraction form
55,438.75/85,310.75 = 85,310.75/x - Step 3: Cross multiply
55,438.75x = 85,310.75 × 85,310.75 - Step 4: Simplify right side
55,438.75x = 7,277,924,065.56 - Step 5: Solve for x
x = 7,277,924,065.56/55,438.75 - Step 6: Final answer
x = 131,278.65
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.