Finding the Third Proportional to 74,272.57 and 115,056.70
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Solution
The third proportional to 74,272.57 and 115,056.70 is: 178,235.99
Step by Step Solution
- Step 1: Write the proportion equation
74,272.57 : 115,056.70 = 115,056.70 : x - Step 2: Convert to fraction form
74,272.57/115,056.70 = 115,056.70/x - Step 3: Cross multiply
74,272.57x = 115,056.70 × 115,056.70 - Step 4: Simplify right side
74,272.57x = 13,238,044,933.99 - Step 5: Solve for x
x = 13,238,044,933.99/74,272.57 - Step 6: Final answer
x = 178,235.99
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.