Finding the Third Proportional to 18,945.75 and 29,415.75
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Solution
The third proportional to 18,945.75 and 29,415.75 is: 45,671.79
Step by Step Solution
- Step 1: Write the proportion equation
18,945.75 : 29,415.75 = 29,415.75 : x - Step 2: Convert to fraction form
18,945.75/29,415.75 = 29,415.75/x - Step 3: Cross multiply
18,945.75x = 29,415.75 × 29,415.75 - Step 4: Simplify right side
18,945.75x = 865,286,348.06 - Step 5: Solve for x
x = 865,286,348.06/18,945.75 - Step 6: Final answer
x = 45,671.79
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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.