Finding the Third Proportional to 307,888.06 and 490,289.79
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Solution
The third proportional to 307,888.06 and 490,289.79 is: 780,751.53
Step by Step Solution
- Step 1: Write the proportion equation
307,888.06 : 490,289.79 = 490,289.79 : x - Step 2: Convert to fraction form
307,888.06/490,289.79 = 490,289.79/x - Step 3: Cross multiply
307,888.06x = 490,289.79 × 490,289.79 - Step 4: Simplify right side
307,888.06x = 240,384,074,745.27 - Step 5: Solve for x
x = 240,384,074,745.27/307,888.06 - Step 6: Final answer
x = 780,751.53
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.