Finding the Third Proportional to 18,279.75 and 39,657.75
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Solution
The third proportional to 18,279.75 and 39,657.75 is: 86,037.12
Step by Step Solution
- Step 1: Write the proportion equation
18,279.75 : 39,657.75 = 39,657.75 : x - Step 2: Convert to fraction form
18,279.75/39,657.75 = 39,657.75/x - Step 3: Cross multiply
18,279.75x = 39,657.75 × 39,657.75 - Step 4: Simplify right side
18,279.75x = 1,572,737,135.06 - Step 5: Solve for x
x = 1,572,737,135.06/18,279.75 - Step 6: Final answer
x = 86,037.12
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.