Finding the Third Proportional to 220,378.50 and 349,431.75
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Solution
The third proportional to 220,378.50 and 349,431.75 is: 554,058.35
Step by Step Solution
- Step 1: Write the proportion equation
220,378.50 : 349,431.75 = 349,431.75 : x - Step 2: Convert to fraction form
220,378.50/349,431.75 = 349,431.75/x - Step 3: Cross multiply
220,378.50x = 349,431.75 × 349,431.75 - Step 4: Simplify right side
220,378.50x = 122,102,547,908.06 - Step 5: Solve for x
x = 122,102,547,908.06/220,378.50 - Step 6: Final answer
x = 554,058.35
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.