Finding the Third Proportional to 112,639.88 and 157,478.06
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Solution
The third proportional to 112,639.88 and 157,478.06 is: 220,164.84
Step by Step Solution
- Step 1: Write the proportion equation
112,639.88 : 157,478.06 = 157,478.06 : x - Step 2: Convert to fraction form
112,639.88/157,478.06 = 157,478.06/x - Step 3: Cross multiply
112,639.88x = 157,478.06 × 157,478.06 - Step 4: Simplify right side
112,639.88x = 24,799,340,168.75 - Step 5: Solve for x
x = 24,799,340,168.75/112,639.88 - Step 6: Final answer
x = 220,164.84
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.