Finding the Third Proportional to 210,106.50 and 315,370.50
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Solution
The third proportional to 210,106.50 and 315,370.50 is: 473,372.09
Step by Step Solution
- Step 1: Write the proportion equation
210,106.50 : 315,370.50 = 315,370.50 : x - Step 2: Convert to fraction form
210,106.50/315,370.50 = 315,370.50/x - Step 3: Cross multiply
210,106.50x = 315,370.50 × 315,370.50 - Step 4: Simplify right side
210,106.50x = 99,458,552,270.25 - Step 5: Solve for x
x = 99,458,552,270.25/210,106.50 - Step 6: Final answer
x = 473,372.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.