Finding the Third Proportional to 120,402 and 190,809
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Solution
The third proportional to 120,402 and 190,809 is: 302,387.62
Step by Step Solution
- Step 1: Write the proportion equation
120,402 : 190,809 = 190,809 : x - Step 2: Convert to fraction form
120,402/190,809 = 190,809/x - Step 3: Cross multiply
120,402x = 190,809 × 190,809 - Step 4: Simplify right side
120,402x = 36,408,074,481 - Step 5: Solve for x
x = 36,408,074,481/120,402 - Step 6: Final answer
x = 302,387.62
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.