Finding the Third Proportional to 68,731.88 and 106,422.19
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Solution
The third proportional to 68,731.88 and 106,422.19 is: 164,780.63
Step by Step Solution
- Step 1: Write the proportion equation
68,731.88 : 106,422.19 = 106,422.19 : x - Step 2: Convert to fraction form
68,731.88/106,422.19 = 106,422.19/x - Step 3: Cross multiply
68,731.88x = 106,422.19 × 106,422.19 - Step 4: Simplify right side
68,731.88x = 11,325,681,992.29 - Step 5: Solve for x
x = 11,325,681,992.29/68,731.88 - Step 6: Final answer
x = 164,780.63
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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.