Finding the Third Proportional to 129,621.50 and 199,959.75
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Solution
The third proportional to 129,621.50 and 199,959.75 is: 308,466.59
Step by Step Solution
- Step 1: Write the proportion equation
129,621.50 : 199,959.75 = 199,959.75 : x - Step 2: Convert to fraction form
129,621.50/199,959.75 = 199,959.75/x - Step 3: Cross multiply
129,621.50x = 199,959.75 × 199,959.75 - Step 4: Simplify right side
129,621.50x = 39,983,901,620.06 - Step 5: Solve for x
x = 39,983,901,620.06/129,621.50 - Step 6: Final answer
x = 308,466.59
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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.