Finding the Third Proportional to 131,371.50 and 288,987
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Solution
The third proportional to 131,371.50 and 288,987 is: 635,704.75
Step by Step Solution
- Step 1: Write the proportion equation
131,371.50 : 288,987 = 288,987 : x - Step 2: Convert to fraction form
131,371.50/288,987 = 288,987/x - Step 3: Cross multiply
131,371.50x = 288,987 × 288,987 - Step 4: Simplify right side
131,371.50x = 83,513,486,169 - Step 5: Solve for x
x = 83,513,486,169/131,371.50 - Step 6: Final answer
x = 635,704.75
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.