Finding the Third Proportional to 122,971.50 and 290,175.75
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Solution
The third proportional to 122,971.50 and 290,175.75 is: 684,727.48
Step by Step Solution
- Step 1: Write the proportion equation
122,971.50 : 290,175.75 = 290,175.75 : x - Step 2: Convert to fraction form
122,971.50/290,175.75 = 290,175.75/x - Step 3: Cross multiply
122,971.50x = 290,175.75 × 290,175.75 - Step 4: Simplify right side
122,971.50x = 84,201,965,888.06 - Step 5: Solve for x
x = 84,201,965,888.06/122,971.50 - Step 6: Final answer
x = 684,727.48
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.