Finding the Third Proportional to 81,214.88 and 125,515.13
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Solution
The third proportional to 81,214.88 and 125,515.13 is: 193,979.82
Step by Step Solution
- Step 1: Write the proportion equation
81,214.88 : 125,515.13 = 125,515.13 : x - Step 2: Convert to fraction form
81,214.88/125,515.13 = 125,515.13/x - Step 3: Cross multiply
81,214.88x = 125,515.13 × 125,515.13 - Step 4: Simplify right side
81,214.88x = 15,754,046,603.77 - Step 5: Solve for x
x = 15,754,046,603.77/81,214.88 - Step 6: Final answer
x = 193,979.82
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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.