Finding the Third Proportional to 391,991.25 and 552,027.75
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Solution
The third proportional to 391,991.25 and 552,027.75 is: 777,401.63
Step by Step Solution
- Step 1: Write the proportion equation
391,991.25 : 552,027.75 = 552,027.75 : x - Step 2: Convert to fraction form
391,991.25/552,027.75 = 552,027.75/x - Step 3: Cross multiply
391,991.25x = 552,027.75 × 552,027.75 - Step 4: Simplify right side
391,991.25x = 304,734,636,770.06 - Step 5: Solve for x
x = 304,734,636,770.06/391,991.25 - Step 6: Final answer
x = 777,401.63
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.