Finding the Third Proportional to 212,069.81 and 438,901.13
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Solution
The third proportional to 212,069.81 and 438,901.13 is: 908,352.75
Step by Step Solution
- Step 1: Write the proportion equation
212,069.81 : 438,901.13 = 438,901.13 : x - Step 2: Convert to fraction form
212,069.81/438,901.13 = 438,901.13/x - Step 3: Cross multiply
212,069.81x = 438,901.13 × 438,901.13 - Step 4: Simplify right side
212,069.81x = 192,634,197,526.27 - Step 5: Solve for x
x = 192,634,197,526.27/212,069.81 - Step 6: Final answer
x = 908,352.75
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.