Finding the Third Proportional to 221,418.56 and 339,125.06
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Solution
The third proportional to 221,418.56 and 339,125.06 is: 519,404.55
Step by Step Solution
- Step 1: Write the proportion equation
221,418.56 : 339,125.06 = 339,125.06 : x - Step 2: Convert to fraction form
221,418.56/339,125.06 = 339,125.06/x - Step 3: Cross multiply
221,418.56x = 339,125.06 × 339,125.06 - Step 4: Simplify right side
221,418.56x = 115,005,808,015.63 - Step 5: Solve for x
x = 115,005,808,015.63/221,418.56 - Step 6: Final answer
x = 519,404.55
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.