Finding the Third Proportional to 74,220.75 and 155,732.63
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Solution
The third proportional to 74,220.75 and 155,732.63 is: 326,763.75
Step by Step Solution
- Step 1: Write the proportion equation
74,220.75 : 155,732.63 = 155,732.63 : x - Step 2: Convert to fraction form
74,220.75/155,732.63 = 155,732.63/x - Step 3: Cross multiply
74,220.75x = 155,732.63 × 155,732.63 - Step 4: Simplify right side
74,220.75x = 24,252,650,489.39 - Step 5: Solve for x
x = 24,252,650,489.39/74,220.75 - Step 6: Final answer
x = 326,763.75
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.