Finding the Third Proportional to 285,965.44 and 621,730.69
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Solution
The third proportional to 285,965.44 and 621,730.69 is: 1,351,733.45
Step by Step Solution
- Step 1: Write the proportion equation
285,965.44 : 621,730.69 = 621,730.69 : x - Step 2: Convert to fraction form
285,965.44/621,730.69 = 621,730.69/x - Step 3: Cross multiply
285,965.44x = 621,730.69 × 621,730.69 - Step 4: Simplify right side
285,965.44x = 386,549,047,779.22 - Step 5: Solve for x
x = 386,549,047,779.22/285,965.44 - Step 6: Final answer
x = 1,351,733.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.