Finding the Third Proportional to 308,448.19 and 420,208.03
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Solution
The third proportional to 308,448.19 and 420,208.03 is: 572,461.75
Step by Step Solution
- Step 1: Write the proportion equation
308,448.19 : 420,208.03 = 420,208.03 : x - Step 2: Convert to fraction form
308,448.19/420,208.03 = 420,208.03/x - Step 3: Cross multiply
308,448.19x = 420,208.03 × 420,208.03 - Step 4: Simplify right side
308,448.19x = 176,574,789,527.00 - Step 5: Solve for x
x = 176,574,789,527.00/308,448.19 - Step 6: Final answer
x = 572,461.75
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.