Finding the Third Proportional to 291,286.13 and 393,548.63
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Solution
The third proportional to 291,286.13 and 393,548.63 is: 531,712.66
Step by Step Solution
- Step 1: Write the proportion equation
291,286.13 : 393,548.63 = 393,548.63 : x - Step 2: Convert to fraction form
291,286.13/393,548.63 = 393,548.63/x - Step 3: Cross multiply
291,286.13x = 393,548.63 × 393,548.63 - Step 4: Simplify right side
291,286.13x = 154,880,520,239.39 - Step 5: Solve for x
x = 154,880,520,239.39/291,286.13 - Step 6: Final answer
x = 531,712.66
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.