Finding the Third Proportional to 129,964.50 and 279,267.75
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Solution
The third proportional to 129,964.50 and 279,267.75 is: 600,090.61
Step by Step Solution
- Step 1: Write the proportion equation
129,964.50 : 279,267.75 = 279,267.75 : x - Step 2: Convert to fraction form
129,964.50/279,267.75 = 279,267.75/x - Step 3: Cross multiply
129,964.50x = 279,267.75 × 279,267.75 - Step 4: Simplify right side
129,964.50x = 77,990,476,190.06 - Step 5: Solve for x
x = 77,990,476,190.06/129,964.50 - Step 6: Final answer
x = 600,090.61
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.