Finding the Third Proportional to 393,486.75 and 577,318.50
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Solution
The third proportional to 393,486.75 and 577,318.50 is: 847,033.99
Step by Step Solution
- Step 1: Write the proportion equation
393,486.75 : 577,318.50 = 577,318.50 : x - Step 2: Convert to fraction form
393,486.75/577,318.50 = 577,318.50/x - Step 3: Cross multiply
393,486.75x = 577,318.50 × 577,318.50 - Step 4: Simplify right side
393,486.75x = 333,296,650,442.25 - Step 5: Solve for x
x = 333,296,650,442.25/393,486.75 - Step 6: Final answer
x = 847,033.99
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.