Finding the Third Proportional to 356,577.75 and 485,655.75
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Solution
The third proportional to 356,577.75 and 485,655.75 is: 661,458.85
Step by Step Solution
- Step 1: Write the proportion equation
356,577.75 : 485,655.75 = 485,655.75 : x - Step 2: Convert to fraction form
356,577.75/485,655.75 = 485,655.75/x - Step 3: Cross multiply
356,577.75x = 485,655.75 × 485,655.75 - Step 4: Simplify right side
356,577.75x = 235,861,507,508.06 - Step 5: Solve for x
x = 235,861,507,508.06/356,577.75 - Step 6: Final answer
x = 661,458.85
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.