Finding the Third Proportional to 71,905.88 and 156,789.75
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Solution
The third proportional to 71,905.88 and 156,789.75 is: 341,877.85
Step by Step Solution
- Step 1: Write the proportion equation
71,905.88 : 156,789.75 = 156,789.75 : x - Step 2: Convert to fraction form
71,905.88/156,789.75 = 156,789.75/x - Step 3: Cross multiply
71,905.88x = 156,789.75 × 156,789.75 - Step 4: Simplify right side
71,905.88x = 24,583,025,705.06 - Step 5: Solve for x
x = 24,583,025,705.06/71,905.88 - Step 6: Final answer
x = 341,877.85
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.