Finding the Third Proportional to 189,681.75 and 396,898.73
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Solution
The third proportional to 189,681.75 and 396,898.73 is: 830,488.99
Step by Step Solution
- Step 1: Write the proportion equation
189,681.75 : 396,898.73 = 396,898.73 : x - Step 2: Convert to fraction form
189,681.75/396,898.73 = 396,898.73/x - Step 3: Cross multiply
189,681.75x = 396,898.73 × 396,898.73 - Step 4: Simplify right side
189,681.75x = 157,528,605,348.48 - Step 5: Solve for x
x = 157,528,605,348.48/189,681.75 - Step 6: Final answer
x = 830,488.99
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.