Finding the Third Proportional to 154,748.25 and 339,021.75
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Solution
The third proportional to 154,748.25 and 339,021.75 is: 742,727.28
Step by Step Solution
- Step 1: Write the proportion equation
154,748.25 : 339,021.75 = 339,021.75 : x - Step 2: Convert to fraction form
154,748.25/339,021.75 = 339,021.75/x - Step 3: Cross multiply
154,748.25x = 339,021.75 × 339,021.75 - Step 4: Simplify right side
154,748.25x = 114,935,746,973.06 - Step 5: Solve for x
x = 114,935,746,973.06/154,748.25 - Step 6: Final answer
x = 742,727.28
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.