Finding the Third Proportional to 81,498 and 172,808
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Solution
The third proportional to 81,498 and 172,808 is: 366,421.32
Step by Step Solution
- Step 1: Write the proportion equation
81,498 : 172,808 = 172,808 : x - Step 2: Convert to fraction form
81,498/172,808 = 172,808/x - Step 3: Cross multiply
81,498x = 172,808 × 172,808 - Step 4: Simplify right side
81,498x = 29,862,604,864 - Step 5: Solve for x
x = 29,862,604,864/81,498 - Step 6: Final answer
x = 366,421.32
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.