Finding the Third Proportional to 187,682 and 390,894
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Solution
The third proportional to 187,682 and 390,894 is: 814,133.05
Step by Step Solution
- Step 1: Write the proportion equation
187,682 : 390,894 = 390,894 : x - Step 2: Convert to fraction form
187,682/390,894 = 390,894/x - Step 3: Cross multiply
187,682x = 390,894 × 390,894 - Step 4: Simplify right side
187,682x = 152,798,119,236 - Step 5: Solve for x
x = 152,798,119,236/187,682 - Step 6: Final answer
x = 814,133.05
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.