Finding the Third Proportional to 215,358.75 and 316,818.84
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Solution
The third proportional to 215,358.75 and 316,818.84 is: 466,078.95
Step by Step Solution
- Step 1: Write the proportion equation
215,358.75 : 316,818.84 = 316,818.84 : x - Step 2: Convert to fraction form
215,358.75/316,818.84 = 316,818.84/x - Step 3: Cross multiply
215,358.75x = 316,818.84 × 316,818.84 - Step 4: Simplify right side
215,358.75x = 100,374,179,755.09 - Step 5: Solve for x
x = 100,374,179,755.09/215,358.75 - Step 6: Final answer
x = 466,078.95
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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.