Finding the Third Proportional to 74,857.50 and 107,613.75
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Solution
The third proportional to 74,857.50 and 107,613.75 is: 154,703.53
Step by Step Solution
- Step 1: Write the proportion equation
74,857.50 : 107,613.75 = 107,613.75 : x - Step 2: Convert to fraction form
74,857.50/107,613.75 = 107,613.75/x - Step 3: Cross multiply
74,857.50x = 107,613.75 × 107,613.75 - Step 4: Simplify right side
74,857.50x = 11,580,719,189.06 - Step 5: Solve for x
x = 11,580,719,189.06/74,857.50 - Step 6: Final answer
x = 154,703.53
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These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.