Finding the Third Proportional to 19,641 and 36,409.50
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Solution
The third proportional to 19,641 and 36,409.50 is: 67,494.10
Step by Step Solution
- Step 1: Write the proportion equation
19,641 : 36,409.50 = 36,409.50 : x - Step 2: Convert to fraction form
19,641/36,409.50 = 36,409.50/x - Step 3: Cross multiply
19,641x = 36,409.50 × 36,409.50 - Step 4: Simplify right side
19,641x = 1,325,651,690.25 - Step 5: Solve for x
x = 1,325,651,690.25/19,641 - Step 6: Final answer
x = 67,494.10
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.