Finding the Third Proportional to 391,408.21 and 606,051.23
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Solution
The third proportional to 391,408.21 and 606,051.23 is: 938,401.59
Step by Step Solution
- Step 1: Write the proportion equation
391,408.21 : 606,051.23 = 606,051.23 : x - Step 2: Convert to fraction form
391,408.21/606,051.23 = 606,051.23/x - Step 3: Cross multiply
391,408.21x = 606,051.23 × 606,051.23 - Step 4: Simplify right side
391,408.21x = 367,298,088,713.92 - Step 5: Solve for x
x = 367,298,088,713.92/391,408.21 - Step 6: Final answer
x = 938,401.59
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.