Finding the Third Proportional to 415,216.13 and 620,655.75
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Solution
The third proportional to 415,216.13 and 620,655.75 is: 927,742.29
Step by Step Solution
- Step 1: Write the proportion equation
415,216.13 : 620,655.75 = 620,655.75 : x - Step 2: Convert to fraction form
415,216.13/620,655.75 = 620,655.75/x - Step 3: Cross multiply
415,216.13x = 620,655.75 × 620,655.75 - Step 4: Simplify right side
415,216.13x = 385,213,560,008.06 - Step 5: Solve for x
x = 385,213,560,008.06/415,216.13 - Step 6: Final answer
x = 927,742.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.