Finding the Third Proportional to 18,619.88 and 40,246.88
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Solution
The third proportional to 18,619.88 and 40,246.88 is: 86,993.65
Step by Step Solution
- Step 1: Write the proportion equation
18,619.88 : 40,246.88 = 40,246.88 : x - Step 2: Convert to fraction form
18,619.88/40,246.88 = 40,246.88/x - Step 3: Cross multiply
18,619.88x = 40,246.88 × 40,246.88 - Step 4: Simplify right side
18,619.88x = 1,619,810,947.27 - Step 5: Solve for x
x = 1,619,810,947.27/18,619.88 - Step 6: Final answer
x = 86,993.65
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.